#21276F#21276F

#21276F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.7% C 0.123 H 273.4°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#21276F
RGB	rgb(33, 39, 111)
HSL	hsl(235, 54%, 28%)
HSV	hsv(235, 70%, 44%)
CMYK	cmyk(70.3%, 64.9%, 0%, 56.5%)
CIE-LAB	lab(19.73, 23.07, -42.55)
CIE-LCH	lch(19.73, 48.40, 298.46°)
OKLab	oklab(31.72% 0.0074 -0.1227)
OKLCH	oklch(31.72% 0.123 273.4)
XYZ	xyz(4.2210, 2.9217, 15.3773)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21276F #6F6921

analogous

#214E6F #21276F #42216F

triadic

#21276F #6F2127 #276F21

tetradic

#21276F #6F214E #6F6921 #216F42

square

#21276F #6F214E #6F6921 #216F42

split-complementary

#21276F #6F4221 #4E6F21

monochromatic

#070818 #131640 #21276F #2F389E #434DC7

Accessibility & contrast

On white

13.25

#21276F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#21276F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21276F

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21276F	#FFFFFF	#000000	##FFFFFF
##21276F	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)

#003371

Deuteranopia (green-blind)

#002C6E

Tritanopia (blue-blind)

#003947

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #21276f;
/* rgb */ color: rgb(33, 39, 111);
/* oklch */ color: oklch(31.7% 0.123 273.4);

Tailwind

colors: {
  custom: {
    50: '#676199',
    500: '#21276f',
    950: '#000000',
  },
}

SCSS

$custom: #21276f;
$custom-light: #676199;
$custom-dark: #000000;

JSON

{
  "hex": "#21276f",
  "rgb": {
    "r": 33,
    "g": 39,
    "b": 111
  },
  "hsl": {
    "h": 235.385,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31724,
    "c": 0.12292,
    "h": 273.4
  },
  "luminance": 0.02922
}

Semantic roles & 50–950 ramp

primary

#21276F

secondary

#A39C49

accent

#D24ADE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #21276F

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

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