#21277E#21277E

#21277E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.144 H 272.5°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#21277E
RGB	rgb(33, 39, 126)
HSL	hsl(236, 58%, 31%)
HSV	hsv(236, 74%, 49%)
CMYK	cmyk(73.8%, 69%, 0%, 50.6%)
CIE-LAB	lab(21.13, 28.75, -49.85)
CIE-LCH	lch(21.13, 57.55, 299.97°)
OKLab	oklab(33.18% 0.0063 -0.1441)
OKLCH	oklch(33.18% 0.144 272.5)
XYZ	xyz(5.1173, 3.2802, 20.0981)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21277E #7E7821

analogous

#21557E #21277E #49217E

triadic

#21277E #7E2127 #277E21

tetradic

#21277E #7E2155 #7E7821 #217E49

square

#21277E #7E2155 #7E7821 #217E49

split-complementary

#21277E #7E4921 #557E21

monochromatic

#08091D #14184E #21277E #2E36AE #4A52D0

Accessibility & contrast

On white

12.68

#21277E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#21277E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21277E

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21277E	#FFFFFF	#000000	##FFFFFF
##21277E	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #21277e;
/* rgb */ color: rgb(33, 39, 126);
/* oklch */ color: oklch(33.2% 0.144 272.5);

Tailwind

colors: {
  custom: {
    50: '#6b61a4',
    500: '#21277e',
    950: '#000000',
  },
}

SCSS

$custom: #21277e;
$custom-light: #6b61a4;
$custom-dark: #000000;

JSON

{
  "hex": "#21277e",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 126
  },
  "hsl": {
    "h": 236.129,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33185,
    "c": 0.14423,
    "h": 272.5
  },
  "luminance": 0.03281
}

Semantic roles & 50–950 ramp

primary

#21277E

secondary

#B1AA4A

accent

#D846E2

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #21277E

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

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