#656CAF

Closest named color: French Blue (#436BAD). oklch(55.5% 0.104 277.9), rgb(101, 108, 175).

Aa

White text reads best on this color (4.86:1).

About this color

#656CAF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.104 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.043 away. White text reads best on it, at 4.86:1.

Hue familyBlues
Lightnessmedium-dark (56%)
Chromamoderately saturated (0.104)
Temperaturecool
Nearest nameFrench Blue (#436BAD)
Black text4.31:1
White text4.86:1

Values

HEX#656CAF
RGBrgb(101, 108, 175)
HSLhsl(234, 32%, 54%)
OKLCHoklch(55.5% 0.104 277.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #656CAF 4.86:1 AA Lc -79.1 Fine for body text
Black text on #656CAF 4.31:1 AA large text Lc 30.4 Non-text elements, placeholder text
#656CAF text on white 4.86:1 AA Lc 73.6 Content text, not long reading
#656CAF text on black 4.31:1 AA large text Lc -28.1 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #F4F5FA

    oklch(97.1% 0.007 277.2)

  2. Step 100

    100

    #E7E9F3

    oklch(93.5% 0.014 277.1)

  3. Step 200

    200

    #D5D8EB

    oklch(88.6% 0.026 278.7)

  4. Step 300

    300

    #B9BEDF

    oklch(80.8% 0.047 278.5)

  5. Step 400

    400

    #959CCF

    oklch(70.6% 0.075 278.2)

  6. Step 500

    500

    #7C84C3

    oklch(63.2% 0.095 277.8)

  7. Step 600

    600 (this color)

    #656CAF

    oklch(55.5% 0.104 277.9)

  8. Step 700

    700

    #545A97

    oklch(49.1% 0.097 277.9)

  9. Step 800

    800

    #454A7A

    oklch(42.7% 0.079 277.9)

  10. Step 900

    900

    #3A3E62

    oklch(37.7% 0.062 278.2)

  11. Step 950

    950

    #22243A

    oklch(26.9% 0.041 279.3)

Export this scale for Tailwind in the Tailwind colors tool

#656CAF with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#5574B20.028
Deuteranopia (no green cones)#4F6FAD0.029
Tritanopia (no blue cones)#4E79850.091
Achromatopsia (no color)#7171710.104

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #656CAF

    #656CAF

    oklch(55.5% 0.104 277.9)

  • #83731C

    #83731C

    oklch(55.5% 0.104 98.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #656CAF

    #656CAF

    oklch(55.5% 0.104 277.9)

  • #3C77AD

    #3C77AD

    oklch(55.4% 0.105 248.4)

  • #8461A2

    #8461A2

    oklch(55.5% 0.105 308.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #656CAF

    #656CAF

    oklch(55.5% 0.104 277.9)

  • #9B6625

    #9B6625

    oklch(55.5% 0.104 67.6)

  • #617E37

    #617E37

    oklch(55.4% 0.104 127.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #656CAF

    #656CAF

    oklch(55.5% 0.104 277.9)

  • #A65C45

    #A65C45

    oklch(55.6% 0.103 38)

  • #33855B

    #33855B

    oklch(55.5% 0.104 157.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #656CAF

    #656CAF

    oklch(55.5% 0.104 277.9)

  • #A65767

    #A65767

    oklch(55.5% 0.105 8.2)

  • #83731C

    #83731C

    oklch(55.5% 0.104 98.3)

  • #00857D

    #00857D

    oklch(55.5% 0.097 187.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #656CAF, closest first.

No curated palette has a color within ΔE 0.04 of #656CAF.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #656CAF in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.