#636EAE#636EAE

#636EAE is a mid, moderate blue. Relative luminance 0.169; OKLCH L 55.7% C 0.100 H 275.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#636EAE
RGB	rgb(99, 110, 174)
HSL	hsl(231, 32%, 54%)
HSV	hsv(231, 43%, 68%)
CMYK	cmyk(43.1%, 36.8%, 0%, 31.8%)
CIE-LAB	lab(48.08, 12.81, -35.47)
CIE-LCH	lch(48.08, 37.72, 289.86°)
OKLab	oklab(55.72% 0.0092 -0.0997)
OKLCH	oklch(55.72% 0.1 275.3)
XYZ	xyz(18.3592, 16.8596, 42.3231)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636EAE #AEA363

analogous

#6393AE #636EAE #7D63AE

triadic

#636EAE #AE636E #6EAE63

tetradic

#636EAE #AE6393 #AEA363 #63AE7D

square

#636EAE #AE6393 #AEA363 #63AE7D

split-complementary

#636EAE #AE7D63 #93AE63

monochromatic

#333A63 #48528B #636EAE #8B93C3 #B4B9D8

Accessibility & contrast

On white

4.80

#636EAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#636EAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636EAE

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636EAE	#FFFFFF	#000000	##FFFFFF
##636EAE	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5775B1

Deuteranopia (green-blind)

#526FAD

Tritanopia (blue-blind)

#4A7B86

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #636eae;
/* rgb */ color: rgb(99, 110, 174);
/* oklch */ color: oklch(55.7% 0.100 275.3);

Tailwind

colors: {
  custom: {
    50: '#9397c6',
    500: '#636eae',
    950: '#000000',
  },
}

SCSS

$custom: #636eae;
$custom-light: #9397c6;
$custom-dark: #000000;

JSON

{
  "hex": "#636eae",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 174
  },
  "hsl": {
    "h": 231.2,
    "s": 31.646,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55716,
    "c": 0.10014,
    "h": 275.3
  },
  "luminance": 0.16861
}

Semantic roles & 50–950 ramp

primary

#636EAE

secondary

#C6C2A6

accent

#B960C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0D13

muted

#7E7E82

Preview Lab

Preview with #636EAE

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

Preview Lab → · Contrast checker → · Palette generator →