#21369D#21369D

#21369D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.168 H 268.2°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#21369D
RGB	rgb(33, 54, 157)
HSL	hsl(230, 65%, 37%)
HSV	hsv(230, 79%, 62%)
CMYK	cmyk(79%, 65.6%, 0%, 38.4%)
CIE-LAB	lab(27.83, 30.47, -58.10)
CIE-LCH	lch(27.83, 65.61, 297.67°)
OKLab	oklab(38.98% -0.0054 -0.1681)
OKLCH	oklch(38.98% 0.168 268.2)
XYZ	xyz(8.0301, 5.3951, 32.5099)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21369D #9D8821

analogous

#21749D #21369D #4A219D

triadic

#21369D #9D2136 #369D21

tetradic

#21369D #9D2174 #9D8821 #219D4A

square

#21369D #9D2174 #9D8821 #219D4A

split-complementary

#21369D #9D4A21 #749D21

monochromatic

#0C1338 #16256A #21369D #2C47D0 #5C72DD

Accessibility & contrast

On white

10.10

#21369D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#21369D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21369D

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21369D	#FFFFFF	#000000	##FFFFFF
##21369D	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21369d;
/* rgb */ color: rgb(33, 54, 157);
/* oklch */ color: oklch(39.0% 0.168 268.2);

Tailwind

colors: {
  custom: {
    50: '#726dbb',
    500: '#21369d',
    950: '#000000',
  },
}

SCSS

$custom: #21369d;
$custom-light: #726dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21369d",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 157
  },
  "hsl": {
    "h": 229.839,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38983,
    "c": 0.16822,
    "h": 268.2
  },
  "luminance": 0.05396
}

Semantic roles & 50–950 ramp

primary

#21369D

secondary

#C1AF59

accent

#CC40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #21369D

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

Preview Lab → · Contrast checker → · Palette generator →