#21286C#21286C

#21286C is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.6% C 0.117 H 273.2°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#21286C
RGB	rgb(33, 40, 108)
HSL	hsl(234, 53%, 28%)
HSV	hsv(234, 69%, 42%)
CMYK	cmyk(69.4%, 63%, 0%, 57.6%)
CIE-LAB	lab(19.73, 21.21, -40.60)
CIE-LCH	lch(19.73, 45.81, 297.59°)
OKLab	oklab(31.65% 0.0066 -0.1169)
OKLCH	oklch(31.65% 0.117 273.2)
XYZ	xyz(4.0919, 2.9233, 14.5331)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21286C #6C6521

analogous

#214D6C #21286C #3F216C

triadic

#21286C #6C2128 #286C21

tetradic

#21286C #6C214D #6C6521 #216C3F

square

#21286C #6C214D #6C6521 #216C3F

split-complementary

#21286C #6C3F21 #4D6C21

monochromatic

#070917 #13173D #21286C #2F399B #424EC5

Accessibility & contrast

On white

13.25

#21286C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#21286C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21286C

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21286C	#FFFFFF	#000000	##FFFFFF
##21286C	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336E

Deuteranopia (green-blind)

#002C6B

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #21286c;
/* rgb */ color: rgb(33, 40, 108);
/* oklch */ color: oklch(31.6% 0.117 273.2);

Tailwind

colors: {
  custom: {
    50: '#676197',
    500: '#21286c',
    950: '#000000',
  },
}

SCSS

$custom: #21286c;
$custom-light: #676197;
$custom-dark: #000000;

JSON

{
  "hex": "#21286c",
  "rgb": {
    "r": 33,
    "g": 40,
    "b": 108
  },
  "hsl": {
    "h": 234.4,
    "s": 53.191,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31646,
    "c": 0.11713,
    "h": 273.2
  },
  "luminance": 0.02924
}

Semantic roles & 50–950 ramp

primary

#21286C

secondary

#A09849

accent

#CF4BDD

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #21286C

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

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