#21176D#21176D

#21176D is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.8% C 0.140 H 278.2°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#21176D
RGB	rgb(33, 23, 109)
HSL	hsl(247, 65%, 26%)
HSV	hsv(247, 79%, 43%)
CMYK	cmyk(69.7%, 78.9%, 0%, 57.3%)
CIE-LAB	lab(15.70, 32.73, -47.87)
CIE-LCH	lch(15.70, 57.99, 304.36°)
OKLab	oklab(28.75% 0.0199 -0.1383)
OKLCH	oklch(28.75% 0.14 278.2)
XYZ	xyz(3.6930, 2.0399, 14.6642)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21176D #636D17

analogous

#17386D #21176D #4C176D

triadic

#21176D #6D2117 #176D21

tetradic

#21176D #6D1738 #636D17 #176D4C

square

#21176D #6D1738 #636D17 #176D4C

split-complementary

#21176D #6D4C17 #386D17

monochromatic

#080519 #120C3A #21176D #3022A0 #402CD2

Accessibility & contrast

On white

14.91

#21176D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#21176D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21176D

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21176D	#FFFFFF	#000000	##FFFFFF
##21176D	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6F

Deuteranopia (green-blind)

#00246B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #21176d;
/* rgb */ color: rgb(33, 23, 109);
/* oklch */ color: oklch(28.8% 0.140 278.2);

Tailwind

colors: {
  custom: {
    50: '#685698',
    500: '#21176d',
    950: '#000000',
  },
}

SCSS

$custom: #21176d;
$custom-light: #685698;
$custom-dark: #000000;

JSON

{
  "hex": "#21176d",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 109
  },
  "hsl": {
    "h": 246.977,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28753,
    "c": 0.13968,
    "h": 278.2
  },
  "luminance": 0.0204
}

Semantic roles & 50–950 ramp

primary

#21176D

secondary

#97A33D

accent

#E840D5

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #21176D

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

Preview Lab → · Contrast checker → · Palette generator →