#649BE5

Closest named color: Cornflower Blue (#6495ED). oklch(68.3% 0.125 256.2), rgb(100, 155, 229).

Aa

Black text reads best on this color (7.36:1).

About this color

#649BE5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.125 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.022 away. Black text reads best on it, at 7.36:1.

Hue familyBlues
Lightnessmedium-light (68%)
Chromamoderately saturated (0.125)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.36:1
White text2.85:1

Values

HEX#649BE5
RGBrgb(100, 155, 229)
HSLhsl(214, 71%, 65%)
OKLCHoklch(68.3% 0.125 256.2)

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 #649BE5 2.85:1 Fails Lc -59.8 Large or bold text, headings
Black text on #649BE5 7.36:1 AAA Lc 49.6 Large or bold text, headings
#649BE5 text on white 2.85:1 Fails Lc 54.5 Large or bold text, headings
#649BE5 text on black 7.36:1 AAA Lc -47.3 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

    #F1F6FD

    oklch(97.1% 0.011 256.7)

  2. Step 100

    100

    #E0EBF9

    oklch(93.6% 0.022 254.4)

  3. Step 200

    200

    #C7DBF6

    oklch(88.5% 0.043 255.9)

  4. Step 300

    300

    #A0C3F3

    oklch(80.9% 0.078 256.4)

  5. Step 400

    400 (this color)

    #649BE5

    oklch(68.3% 0.125 256.2)

  6. Step 500

    500

    #4189E7

    oklch(63% 0.159 256.2)

  7. Step 600

    600

    #1D71D5

    oklch(55.6% 0.172 256.1)

  8. Step 700

    700

    #0D5EB9

    oklch(49.1% 0.161 256.1)

  9. Step 800

    800

    #104D96

    oklch(42.7% 0.134 256.2)

  10. Step 900

    900

    #164177

    oklch(37.7% 0.104 256)

  11. Step 950

    950

    #0F2646

    oklch(26.9% 0.066 257.2)

Export this scale for Tailwind in the Tailwind colors tool

#649BE5 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)#7DA0E80.033
Deuteranopia (no green cones)#6C93E30.021
Tritanopia (no blue cones)#00ACB60.109
Achromatopsia (no color)#9999990.125

Harmonies

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

Complementary

The opposite hue (180°).

  • #649BE5

    #649BE5

    oklch(68.3% 0.125 256.2)

  • #C58D31

    #C58D31

    oklch(68.3% 0.125 75.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649BE5

    #649BE5

    oklch(68.3% 0.125 256.2)

  • #1FA8D4

    #1FA8D4

    oklch(68.3% 0.125 226.3)

  • #938DE2

    #938DE2

    oklch(68.3% 0.124 285.9)

Open the analogous palette in the generator

Split complementary

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

  • #649BE5

    #649BE5

    oklch(68.3% 0.125 256.2)

  • #D87F53

    #D87F53

    oklch(68.4% 0.125 46.2)

  • #A39E34

    #A39E34

    oklch(68.4% 0.125 106.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649BE5

    #649BE5

    oklch(68.3% 0.125 256.2)

  • #DB777E

    #DB777E

    oklch(68.3% 0.125 16.5)

  • #75AB5A

    #75AB5A

    oklch(68.4% 0.125 136)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649BE5

    #649BE5

    oklch(68.3% 0.125 256.2)

  • #D078A9

    #D078A9

    oklch(68.3% 0.125 346.4)

  • #C58D31

    #C58D31

    oklch(68.3% 0.125 75.7)

  • #35B188

    #35B188

    oklch(68.2% 0.124 166.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #649BE5, closest first.

Similar named colors

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

Use #649BE5 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.