#638EE2#638EE2

#638EE2 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.135 H 262.7°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#638EE2
RGB	rgb(99, 142, 226)
HSL	hsl(220, 69%, 64%)
HSV	hsv(220, 56%, 89%)
CMYK	cmyk(56.2%, 37.2%, 0%, 11.4%)
CIE-LAB	lab(59.42, 9.73, -47.17)
CIE-LCH	lch(59.42, 48.16, 281.65°)
OKLab	oklab(65.33% -0.0171 -0.1336)
OKLCH	oklch(65.33% 0.135 262.7)
XYZ	xyz(28.5414, 27.4874, 75.7383)
Luminance	0.2749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638EE2 #E2B763

analogous

#63CDE2 #638EE2 #7763E2

triadic

#638EE2 #E2638E #8EE263

tetradic

#638EE2 #E263CD #E2B763 #63E277

square

#638EE2 #E263CD #E2B763 #63E277

split-complementary

#638EE2 #E27763 #CDE263

monochromatic

#204FAB #2F69D8 #638EE2 #97B3EC #CAD9F5

Accessibility & contrast

On white

3.23

#638EE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#638EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638EE2

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638EE2	#FFFFFF	#000000	##000000
##638EE2	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B95E5

Deuteranopia (green-blind)

#5B8AE0

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #638ee2;
/* rgb */ color: rgb(99, 142, 226);
/* oklch */ color: oklch(65.3% 0.135 262.7);

Tailwind

colors: {
  custom: {
    50: '#98aeeb',
    500: '#638ee2',
    950: '#000000',
  },
}

SCSS

$custom: #638ee2;
$custom-light: #98aeeb;
$custom-dark: #000000;

JSON

{
  "hex": "#638ee2",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 226
  },
  "hsl": {
    "h": 219.685,
    "s": 68.649,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65328,
    "c": 0.13469,
    "h": 262.7
  },
  "luminance": 0.2749
}

Semantic roles & 50–950 ramp

primary

#638EE2

secondary

#E7D8BA

accent

#9115D1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #638EE2

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

Preview Lab → · Contrast checker → · Palette generator →