#21175E#21175E

#21175E is a dark, moderate blue. Relative luminance 0.017; OKLCH L 27.1% C 0.119 H 281.3°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#21175E
RGB	rgb(33, 23, 94)
HSL	hsl(248, 61%, 23%)
HSV	hsv(248, 76%, 37%)
CMYK	cmyk(64.9%, 75.5%, 0%, 63.1%)
CIE-LAB	lab(14.08, 27.52, -40.62)
CIE-LCH	lch(14.08, 49.07, 304.12°)
OKLab	oklab(27.12% 0.0234 -0.1171)
OKLCH	oklch(27.12% 0.119 281.3)
XYZ	xyz(2.9533, 1.7441, 10.7685)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21175E #545E17

analogous

#17305E #21175E #44175E

triadic

#21175E #5E2117 #175E21

tetradic

#21175E #5E1730 #545E17 #175E44

square

#21175E #5E1730 #545E17 #175E44

split-complementary

#21175E #5E4417 #305E17

monochromatic

#090619 #100B2D #21175E #32238F #442FC0

Accessibility & contrast

On white

15.57

#21175E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#21175E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21175E

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21175E	#FFFFFF	#000000	##FFFFFF
##21175E	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002660

Deuteranopia (green-blind)

#00215D

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #21175e;
/* rgb */ color: rgb(33, 23, 94);
/* oklch */ color: oklch(27.1% 0.119 281.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21175e",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 94
  },
  "hsl": {
    "h": 248.451,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27122,
    "c": 0.1194,
    "h": 281.3
  },
  "luminance": 0.01744
}

Semantic roles & 50–950 ramp

primary

#21175E

secondary

#88953C

accent

#E444CD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #21175E

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

Preview Lab → · Contrast checker → · Palette generator →