#649BFA

Closest named color: Cornflower Blue (#6495ED). oklch(69.4% 0.152 260.7), rgb(100, 155, 250).

Aa

Black text reads best on this color (7.61:1).

About this color

#649BFA is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.152 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.023 away. Black text reads best on it, at 7.61:1.

Hue familyBlues
Lightnessmedium-light (69%)
Chromavivid (0.152)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.61:1
White text2.75:1

Values

HEX#649BFA
RGBrgb(100, 155, 250)
HSLhsl(218, 94%, 69%)
OKLCHoklch(69.4% 0.152 260.7)

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 #649BFA 2.75:1 Fails Lc -58.3 Large or bold text, headings
Black text on #649BFA 7.61:1 AAA Lc 51.0 Large or bold text, headings
#649BFA text on white 2.75:1 Fails Lc 53.1 Large or bold text, headings
#649BFA text on black 7.61:1 AAA Lc -48.8 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

    #F1F6FE

    oklch(97.2% 0.012 259.8)

  2. Step 100

    100

    #E0EBFD

    oklch(93.7% 0.027 260.3)

  3. Step 200

    200

    #C6DAFD

    oklch(88.5% 0.053 261.7)

  4. Step 300

    300

    #9EC2FE

    oklch(81% 0.094 260.4)

  5. Step 400

    400 (this color)

    #649BFA

    oklch(69.4% 0.152 260.7)

  6. Step 500

    500

    #3E83FD

    oklch(63.1% 0.195 260.8)

  7. Step 600

    600

    #1B69EC

    oklch(55.7% 0.211 260.6)

  8. Step 700

    700

    #0D56CD

    oklch(49.1% 0.196 260.7)

  9. Step 800

    800

    #0F47A6

    oklch(42.6% 0.163 260.8)

  10. Step 900

    900

    #153D83

    oklch(37.6% 0.126 260.7)

  11. Step 950

    950

    #0D244D

    oklch(26.9% 0.081 260.9)

Export this scale for Tailwind in the Tailwind colors tool

#649BFA 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)#72A3FE0.027
Deuteranopia (no green cones)#5E95F80.018
Tritanopia (no blue cones)#00B0BE0.130
Achromatopsia (no color)#9C9C9C0.152

Harmonies

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

Complementary

The opposite hue (180°).

  • #649BFA

    #649BFA

    oklch(69.4% 0.152 260.7)

  • #CA9100

    #CA9100

    oklch(69.4% 0.144 80.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649BFA

    #649BFA

    oklch(69.4% 0.152 260.7)

  • #00ABE3

    #00ABE3

    oklch(69.5% 0.14 230.8)

  • #9E89F3

    #9E89F3

    oklch(69.4% 0.153 291)

Open the analogous palette in the generator

Split complementary

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

  • #649BFA

    #649BFA

    oklch(69.4% 0.152 260.7)

  • #E57D38

    #E57D38

    oklch(69.4% 0.152 50.9)

  • #A2A401

    #A2A401

    oklch(69.4% 0.152 110.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649BFA

    #649BFA

    oklch(69.4% 0.152 260.7)

  • #EC7174

    #EC7174

    oklch(69.4% 0.152 20.4)

  • #63B355

    #63B355

    oklch(69.4% 0.152 140.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649BFA

    #649BFA

    oklch(69.4% 0.152 260.7)

  • #E171A9

    #E171A9

    oklch(69.4% 0.152 350.5)

  • #CA9100

    #CA9100

    oklch(69.4% 0.144 80.5)

  • #00B791

    #00B791

    oklch(69.4% 0.136 170.9)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #649BFA 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.