#21276C#21276C

#21276C is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.4% C 0.119 H 273.6°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#21276C
RGB	rgb(33, 39, 108)
HSL	hsl(235, 53%, 28%)
HSV	hsv(235, 69%, 42%)
CMYK	cmyk(69.4%, 63.9%, 0%, 57.6%)
CIE-LAB	lab(19.46, 21.92, -41.05)
CIE-LCH	lch(19.46, 46.53, 298.10°)
OKLab	oklab(31.44% 0.0075 -0.1183)
OKLCH	oklch(31.44% 0.119 273.6)
XYZ	xyz(4.0586, 2.8567, 14.5220)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21276C #6C6621

analogous

#214C6C #21276C #40216C

triadic

#21276C #6C2127 #276C21

tetradic

#21276C #6C214C #6C6621 #216C40

square

#21276C #6C214C #6C6621 #216C40

split-complementary

#21276C #6C4021 #4C6C21

monochromatic

#070817 #13163D #21276C #2F389B #424DC5

Accessibility & contrast

On white

13.36

#21276C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#21276C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21276C

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21276C	#FFFFFF	#000000	##FFFFFF
##21276C	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336E

Deuteranopia (green-blind)

#002C6B

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #21276c;
/* rgb */ color: rgb(33, 39, 108);
/* oklch */ color: oklch(31.4% 0.119 273.6);

Tailwind

colors: {
  custom: {
    50: '#676197',
    500: '#21276c',
    950: '#000000',
  },
}

SCSS

$custom: #21276c;
$custom-light: #676197;
$custom-dark: #000000;

JSON

{
  "hex": "#21276c",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 108
  },
  "hsl": {
    "h": 235.2,
    "s": 53.191,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31444,
    "c": 0.11851,
    "h": 273.6
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#21276C

secondary

#A09949

accent

#D14BDD

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #21276C

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

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