#21175D#21175D

#21175D is a dark, moderate blue. Relative luminance 0.017; OKLCH L 27.0% C 0.118 H 281.5°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#21175D
RGB	rgb(33, 23, 93)
HSL	hsl(249, 60%, 23%)
HSV	hsv(249, 75%, 36%)
CMYK	cmyk(64.5%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(13.98, 27.18, -40.12)
CIE-LCH	lch(13.98, 48.46, 304.11°)
OKLab	oklab(27.02% 0.0236 -0.1156)
OKLCH	oklch(27.02% 0.118 281.5)
XYZ	xyz(2.9088, 1.7262, 10.5337)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21175D #535D17

analogous

#17305D #21175D #44175D

triadic

#21175D #5D2117 #175D21

tetradic

#21175D #5D1730 #535D17 #175D44

square

#21175D #5D1730 #535D17 #175D44

split-complementary

#21175D #5D4417 #305D17

monochromatic

#090619 #100B2C #21175D #32238E #442FBF

Accessibility & contrast

On white

15.61

#21175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#21175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21175D

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21175D	#FFFFFF	#000000	##FFFFFF
##21175D	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265F

Deuteranopia (green-blind)

#00215C

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #21175d;
/* rgb */ color: rgb(33, 23, 93);
/* oklch */ color: oklch(27.0% 0.118 281.5);

Tailwind

colors: {
  custom: {
    50: '#65558c',
    500: '#21175d',
    950: '#000000',
  },
}

SCSS

$custom: #21175d;
$custom-light: #65558c;
$custom-dark: #000000;

JSON

{
  "hex": "#21175d",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 248.571,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.27017,
    "c": 0.11801,
    "h": 281.5
  },
  "luminance": 0.01726
}

Semantic roles & 50–950 ramp

primary

#21175D

secondary

#87943C

accent

#E344CD

background

#F6F5F8

surface

#EBE8F0

border

#C6C4CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #21175D

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

Preview Lab → · Contrast checker → · Palette generator →