#649FF3

Closest named color: Cornflower Blue (#6495ED). oklch(69.9% 0.139 257.3), rgb(100, 159, 243).

Aa

Black text reads best on this color (7.79:1).

About this color

#649FF3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.139 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.026 away. Black text reads best on it, at 7.79:1.

Hue familyBlues
Lightnessmedium-light (70%)
Chromamoderately saturated (0.139)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.79:1
White text2.69:1

Values

HEX#649FF3
RGBrgb(100, 159, 243)
HSLhsl(215, 86%, 67%)
OKLCHoklch(69.9% 0.139 257.3)

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 #649FF3 2.69:1 Fails Lc -57.3 Large or bold text, headings
Black text on #649FF3 7.79:1 AAA Lc 51.9 Large or bold text, headings
#649FF3 text on white 2.69:1 Fails Lc 52.1 Large or bold text, headings
#649FF3 text on black 7.79:1 AAA Lc -49.8 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

    #E0EBFB

    oklch(93.7% 0.025 257.6)

  3. Step 200

    200

    #C6DBF9

    oklch(88.5% 0.047 257.3)

  4. Step 300

    300

    #9DC3F9

    oklch(80.9% 0.087 257.2)

  5. Step 400

    400 (this color)

    #649FF3

    oklch(69.9% 0.139 257.3)

  6. Step 500

    500

    #3A87F2

    oklch(63.1% 0.178 257.5)

  7. Step 600

    600

    #0E6EE1

    oklch(55.6% 0.193 257.4)

  8. Step 700

    700

    #005BC2

    oklch(49% 0.177 257.5)

  9. Step 800

    800

    #064B9E

    oklch(42.7% 0.149 257.4)

  10. Step 900

    900

    #12407D

    oklch(37.8% 0.115 257.2)

  11. Step 950

    950

    #0C2649

    oklch(27% 0.072 256.9)

Export this scale for Tailwind in the Tailwind colors tool

#649FF3 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)#7CA5F60.032
Deuteranopia (no green cones)#6997F10.021
Tritanopia (no blue cones)#00B2BE0.118
Achromatopsia (no color)#9E9E9E0.139

Harmonies

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

Complementary

The opposite hue (180°).

  • #649FF3

    #649FF3

    oklch(69.9% 0.139 257.3)

  • #CD911D

    #CD911D

    oklch(69.8% 0.138 77.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649FF3

    #649FF3

    oklch(69.9% 0.139 257.3)

  • #00AEDF

    #00AEDF

    oklch(70% 0.135 226.9)

  • #9A8FEF

    #9A8FEF

    oklch(69.9% 0.138 287.5)

Open the analogous palette in the generator

Split complementary

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

  • #649FF3

    #649FF3

    oklch(69.9% 0.139 257.3)

  • #E3804C

    #E3804C

    oklch(69.9% 0.139 47.1)

  • #A8A326

    #A8A326

    oklch(69.8% 0.138 107.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649FF3

    #649FF3

    oklch(69.9% 0.139 257.3)

  • #E7777E

    #E7777E

    oklch(69.9% 0.139 17.4)

  • #72B258

    #72B258

    oklch(69.9% 0.14 137.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649FF3

    #649FF3

    oklch(69.9% 0.139 257.3)

  • #DB78AE

    #DB78AE

    oklch(69.9% 0.138 347.4)

  • #CD911D

    #CD911D

    oklch(69.8% 0.138 77.4)

  • #18B98C

    #18B98C

    oklch(69.9% 0.139 167.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #649FF3, closest first.

Similar named colors

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

Use #649FF3 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.