#21358E#21358E

#21358E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.149 H 268.3°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#21358E
RGB	rgb(33, 53, 142)
HSL	hsl(229, 62%, 34%)
HSV	hsv(229, 77%, 56%)
CMYK	cmyk(76.8%, 62.7%, 0%, 44.3%)
CIE-LAB	lab(26.22, 25.39, -51.54)
CIE-LCH	lch(26.22, 57.45, 296.23°)
OKLab	oklab(37.38% -0.0043 -0.1489)
OKLCH	oklch(37.38% 0.149 268.3)
XYZ	xyz(6.7811, 4.8218, 26.1593)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21358E #8E7A21

analogous

#216C8E #21358E #44218E

triadic

#21358E #8E2135 #358E21

tetradic

#21358E #8E216C #8E7A21 #218E44

square

#21358E #8E216C #8E7A21 #218E44

split-complementary

#21358E #8E4421 #6C8E21

monochromatic

#0A102B #15225C #21358E #2D48C0 #526BD7

Accessibility & contrast

On white

10.69

#21358E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#21358E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21358E

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21358E	#FFFFFF	#000000	##FFFFFF
##21358E	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #21358e;
/* rgb */ color: rgb(33, 53, 142);
/* oklch */ color: oklch(37.4% 0.149 268.3);

Tailwind

colors: {
  custom: {
    50: '#6e6cb0',
    500: '#21358e',
    950: '#000000',
  },
}

SCSS

$custom: #21358e;
$custom-light: #6e6cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#21358e",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 142
  },
  "hsl": {
    "h": 228.991,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37377,
    "c": 0.14897,
    "h": 268.3
  },
  "luminance": 0.04823
}

Semantic roles & 50–950 ramp

primary

#21358E

secondary

#BAA750

accent

#C742E5

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #21358E

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

Preview Lab → · Contrast checker → · Palette generator →