#649FFF

Closest named color: Cornflower Blue (#6495ED). oklch(70.6% 0.154 259.7), rgb(100, 159, 255).

Aa

Black text reads best on this color (7.94:1).

About this color

#649FFF is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.154 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.034 away. Black text reads best on it, at 7.94:1.

Hue familyBlues
Lightnessmedium-light (71%)
Chromavivid (0.154)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.94:1
White text2.64:1

Values

HEX#649FFF
RGBrgb(100, 159, 255)
HSLhsl(217, 100%, 70%)
OKLCHoklch(70.6% 0.154 259.7)

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 #649FFF 2.64:1 Fails Lc -56.4 Large or bold text, headings
Black text on #649FFF 7.94:1 AAA Lc 52.8 Large or bold text, headings
#649FFF text on white 2.64:1 Fails Lc 51.2 Large or bold text, headings
#649FFF text on black 7.94:1 AAA Lc -50.7 Large or bold text, headings

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 400.

  1. Step 50

    50

    #F0F6FE

    oklch(97.1% 0.012 255.5)

  2. Step 100

    100

    #DFEBFD

    oklch(93.6% 0.028 258.4)

  3. Step 200

    200

    #C5DBFD

    oklch(88.6% 0.053 259)

  4. Step 300

    300

    #9CC2FF

    oklch(80.9% 0.096 259.7)

  5. Step 400

    400 (this color)

    #649FFF

    oklch(70.6% 0.154 259.7)

  6. Step 500

    500

    #3884FE

    oklch(63.2% 0.197 259.6)

  7. Step 600

    600

    #0E69ED

    oklch(55.5% 0.214 259.7)

  8. Step 700

    700

    #0057CD

    oklch(49.1% 0.196 259.6)

  9. Step 800

    800

    #0648A7

    oklch(42.8% 0.165 259.6)

  10. Step 900

    900

    #113D84

    oklch(37.6% 0.129 259.9)

  11. Step 950

    950

    #0B254D

    oklch(27% 0.081 259)

Export this scale for Tailwind in the Tailwind colors tool

#649FFF 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)#75A7FF0.029
Deuteranopia (no green cones)#6099FD0.017
Tritanopia (no blue cones)#00B5C30.130
Achromatopsia (no color)#9F9F9F0.154

Harmonies

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

Complementary

The opposite hue (180°).

  • #649FFF

    #649FFF

    oklch(70.6% 0.154 259.7)

  • #D09400

    #D09400

    oklch(70.7% 0.147 79.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649FFF

    #649FFF

    oklch(70.6% 0.154 259.7)

  • #00AFE6

    #00AFE6

    oklch(70.6% 0.14 229.8)

  • #9F8DF9

    #9F8DF9

    oklch(70.5% 0.155 289.5)

Open the analogous palette in the generator

Split complementary

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

  • #649FFF

    #649FFF

    oklch(70.6% 0.154 259.7)

  • #EB7F3C

    #EB7F3C

    oklch(70.6% 0.155 49.6)

  • #A7A700

    #A7A700

    oklch(70.5% 0.154 109.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649FFF

    #649FFF

    oklch(70.6% 0.154 259.7)

  • #F17478

    #F17478

    oklch(70.6% 0.154 19.9)

  • #68B755

    #68B755

    oklch(70.6% 0.155 139.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649FFF

    #649FFF

    oklch(70.6% 0.154 259.7)

  • #E574AE

    #E574AE

    oklch(70.6% 0.154 349.7)

  • #D09400

    #D09400

    oklch(70.7% 0.147 79.7)

  • #00BB92

    #00BB92

    oklch(70.4% 0.14 169.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #649FFF, closest first.

Similar named colors

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

Use #649FFF 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.