#636898#636898

#636898 is a mid, moderate blue. Relative luminance 0.148; OKLCH L 53.3% C 0.075 H 278.9°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#636898
RGB	rgb(99, 104, 152)
HSL	hsl(234, 21%, 49%)
HSV	hsv(234, 35%, 60%)
CMYK	cmyk(34.9%, 31.6%, 0%, 40.4%)
CIE-LAB	lab(45.39, 10.10, -26.76)
CIE-LCH	lch(45.39, 28.60, 290.69°)
OKLab	oklab(53.29% 0.0117 -0.0745)
OKLCH	oklch(53.29% 0.075 278.9)
XYZ	xyz(15.7618, 14.8197, 31.7297)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636898 #989363

analogous

#638398 #636898 #796398

triadic

#636898 #986368 #689863

tetradic

#636898 #986383 #989363 #639879

square

#636898 #986383 #989363 #639879

split-complementary

#636898 #987963 #839863

monochromatic

#33354E #4B4F73 #636898 #878BB1 #ACAFC9

Accessibility & contrast

On white

5.30

#636898 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#636898 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636898

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636898	#FFFFFF	#000000	##FFFFFF
##636898	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596D9A

Deuteranopia (green-blind)

#566A97

Tritanopia (blue-blind)

#557179

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #636898;
/* rgb */ color: rgb(99, 104, 152);
/* oklch */ color: oklch(53.3% 0.075 278.9);

Tailwind

colors: {
  custom: {
    50: '#9193b6',
    500: '#636898',
    950: '#000000',
  },
}

SCSS

$custom: #636898;
$custom-light: #9193b6;
$custom-dark: #000000;

JSON

{
  "hex": "#636898",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 152
  },
  "hsl": {
    "h": 234.34,
    "s": 21.116,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53294,
    "c": 0.07542,
    "h": 278.9
  },
  "luminance": 0.1482
}

Semantic roles & 50–950 ramp

primary

#636898

secondary

#B8B59F

accent

#B66ABE

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #636898

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

Preview Lab → · Contrast checker → · Palette generator →