#638EDA#638EDA

#638EDA is a light, vivid blue. Relative luminance 0.271; OKLCH L 64.9% C 0.124 H 261.2°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#638EDA
RGB	rgb(99, 142, 218)
HSL	hsl(218, 62%, 62%)
HSV	hsv(218, 55%, 85%)
CMYK	cmyk(54.6%, 34.9%, 0%, 14.5%)
CIE-LAB	lab(59.03, 7.18, -43.33)
CIE-LCH	lch(59.03, 43.92, 279.41°)
OKLab	oklab(64.89% -0.019 -0.1224)
OKLCH	oklch(64.89% 0.124 261.2)
XYZ	xyz(27.4692, 27.0585, 70.0914)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638EDA #DAAF63

analogous

#63CADA #638EDA #7363DA

triadic

#638EDA #DA638E #8EDA63

tetradic

#638EDA #DA63CA #DAAF63 #63DA73

square

#638EDA #DA63CA #DAAF63 #63DA73

split-complementary

#638EDA #DA7363 #CADA63

monochromatic

#25519D #326ACE #638EDA #94B2E6 #C6D6F1

Accessibility & contrast

On white

3.28

#638EDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#638EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638EDA

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638EDA	#FFFFFF	#000000	##000000
##638EDA	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DD

Deuteranopia (green-blind)

#6189D8

Tritanopia (blue-blind)

#1A9FAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #638eda;
/* rgb */ color: rgb(99, 142, 218);
/* oklch */ color: oklch(64.9% 0.124 261.2);

Tailwind

colors: {
  custom: {
    50: '#97aee6',
    500: '#638eda',
    950: '#000000',
  },
}

SCSS

$custom: #638eda;
$custom-light: #97aee6;
$custom-dark: #000000;

JSON

{
  "hex": "#638eda",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 218
  },
  "hsl": {
    "h": 218.319,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.64893,
    "c": 0.12387,
    "h": 261.2
  },
  "luminance": 0.27061
}

Semantic roles & 50–950 ramp

primary

#638EDA

secondary

#E2D2B7

accent

#8B1CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #638EDA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →