#649CFD

Closest named color: Cornflower Blue (#6495ED). oklch(69.8% 0.155 260.7), rgb(100, 156, 253).

Aa

Black text reads best on this color (7.71:1).

About this color

#649CFD is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.155 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.027 away. Black text reads best on it, at 7.71:1.

Hue familyBlues
Lightnessmedium-light (70%)
Chromavivid (0.155)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.71:1
White text2.72:1

Values

HEX#649CFD
RGBrgb(100, 156, 253)
HSLhsl(218, 97%, 69%)
OKLCHoklch(69.8% 0.155 260.7)

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 #649CFD 2.72:1 Fails Lc -57.7 Large or bold text, headings
Black text on #649CFD 7.71:1 AAA Lc 51.5 Large or bold text, headings
#649CFD text on white 2.72:1 Fails Lc 52.5 Large or bold text, headings
#649CFD text on black 7.71:1 AAA Lc -49.4 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

    #F1F6FE

    oklch(97.2% 0.012 259.8)

  2. Step 100

    100

    #DFEBFD

    oklch(93.6% 0.028 258.4)

  3. Step 200

    200

    #C5DAFD

    oklch(88.4% 0.054 260.6)

  4. Step 300

    300

    #9DC2FF

    oklch(81% 0.096 260.2)

  5. Step 400

    400 (this color)

    #649CFD

    oklch(69.8% 0.155 260.7)

  6. Step 500

    500

    #3C83FF

    oklch(63.2% 0.198 260.7)

  7. Step 600

    600

    #1868EE

    oklch(55.6% 0.215 260.7)

  8. Step 700

    700

    #0956CF

    oklch(49.2% 0.199 260.6)

  9. Step 800

    800

    #0D47A7

    oklch(42.7% 0.165 260.6)

  10. Step 900

    900

    #143D85

    oklch(37.8% 0.129 260.8)

  11. Step 950

    950

    #0D244E

    oklch(27% 0.083 261.2)

Export this scale for Tailwind in the Tailwind colors tool

#649CFD 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)#72A4FF0.027
Deuteranopia (no green cones)#5D96FB0.018
Tritanopia (no blue cones)#00B2C00.132
Achromatopsia (no color)#9D9D9D0.155

Harmonies

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

Complementary

The opposite hue (180°).

  • #649CFD

    #649CFD

    oklch(69.8% 0.155 260.7)

  • #CB9200

    #CB9200

    oklch(69.7% 0.144 80.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649CFD

    #649CFD

    oklch(69.8% 0.155 260.7)

  • #00ACE4

    #00ACE4

    oklch(69.8% 0.14 230.7)

  • #9F8AF6

    #9F8AF6

    oklch(69.8% 0.155 290.8)

Open the analogous palette in the generator

Split complementary

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

  • #649CFD

    #649CFD

    oklch(69.8% 0.155 260.7)

  • #E87D37

    #E87D37

    oklch(69.8% 0.155 50.4)

  • #A3A500

    #A3A500

    oklch(69.7% 0.153 110.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649CFD

    #649CFD

    oklch(69.8% 0.155 260.7)

  • #EE7174

    #EE7174

    oklch(69.7% 0.155 20.4)

  • #63B554

    #63B554

    oklch(69.9% 0.156 140.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649CFD

    #649CFD

    oklch(69.8% 0.155 260.7)

  • #E371AA

    #E371AA

    oklch(69.7% 0.155 350.6)

  • #CB9200

    #CB9200

    oklch(69.7% 0.144 80.7)

  • #00B992

    #00B992

    oklch(69.9% 0.138 170.6)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #649CFD 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.