#21297D#21297D

#21297D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.140 H 272.0°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#21297D
RGB	rgb(33, 41, 125)
HSL	hsl(235, 58%, 31%)
HSV	hsv(235, 74%, 49%)
CMYK	cmyk(73.6%, 67.2%, 0%, 51%)
CIE-LAB	lab(21.54, 27.03, -48.55)
CIE-LCH	lch(21.54, 55.57, 299.11°)
OKLab	oklab(33.45% 0.0049 -0.1403)
OKLCH	oklch(33.45% 0.14 272)
XYZ	xyz(5.1206, 3.3894, 19.7824)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21297D #7D7521

analogous

#21577D #21297D #47217D

triadic

#21297D #7D2129 #297D21

tetradic

#21297D #7D2157 #7D7521 #217D47

square

#21297D #7D2157 #7D7521 #217D47

split-complementary

#21297D #7D4721 #577D21

monochromatic

#07091C #14194D #21297D #2E39AD #4955CF

Accessibility & contrast

On white

12.51

#21297D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#21297D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21297D

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21297D	#FFFFFF	#000000	##FFFFFF
##21297D	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21297d;
/* rgb */ color: rgb(33, 41, 125);
/* oklch */ color: oklch(33.5% 0.140 272.0);

Tailwind

colors: {
  custom: {
    50: '#6b63a3',
    500: '#21297d',
    950: '#000000',
  },
}

SCSS

$custom: #21297d;
$custom-light: #6b63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21297d",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 125
  },
  "hsl": {
    "h": 234.783,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33453,
    "c": 0.14036,
    "h": 272
  },
  "luminance": 0.0339
}

Semantic roles & 50–950 ramp

primary

#21297D

secondary

#B0A74A

accent

#D446E1

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #21297D

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

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