#21175C#21175C

#21175C is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.9% C 0.117 H 281.8°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#21175C
RGB	rgb(33, 23, 92)
HSL	hsl(249, 60%, 23%)
HSV	hsv(249, 75%, 36%)
CMYK	cmyk(64.1%, 75%, 0%, 63.9%)
CIE-LAB	lab(13.88, 26.82, -39.62)
CIE-LCH	lch(13.88, 47.85, 304.10°)
OKLab	oklab(26.91% 0.0238 -0.1142)
OKLCH	oklch(26.91% 0.117 281.8)
XYZ	xyz(2.8648, 1.7086, 10.3020)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21175C #525C17

analogous

#172F5C #21175C #44175C

triadic

#21175C #5C2117 #175C21

tetradic

#21175C #5C172F #525C17 #175C44

square

#21175C #5C172F #525C17 #175C44

split-complementary

#21175C #5C4417 #2F5C17

monochromatic

#090618 #0F0B2B #21175C #33238D #442FBE

Accessibility & contrast

On white

15.65

#21175C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#21175C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21175C

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21175C	#FFFFFF	#000000	##FFFFFF
##21175C	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#00215B

Tritanopia (blue-blind)

#002937

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #21175c;
/* rgb */ color: rgb(33, 23, 92);
/* oklch */ color: oklch(26.9% 0.117 281.8);

Tailwind

colors: {
  custom: {
    50: '#64558b',
    500: '#21175c',
    950: '#000000',
  },
}

SCSS

$custom: #21175c;
$custom-light: #64558b;
$custom-dark: #000000;

JSON

{
  "hex": "#21175c",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 92
  },
  "hsl": {
    "h": 248.696,
    "s": 60,
    "l": 22.549
  },
  "oklch": {
    "l": 0.26912,
    "c": 0.11661,
    "h": 281.8
  },
  "luminance": 0.01709
}

Semantic roles & 50–950 ramp

primary

#21175C

secondary

#86933C

accent

#E345CC

background

#F6F5F8

surface

#EBE8F0

border

#C6C4CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #21175C

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

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