#21358D#21358D

#21358D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.148 H 268.3°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#21358D
RGB	rgb(33, 53, 141)
HSL	hsl(229, 62%, 34%)
HSV	hsv(229, 77%, 55%)
CMYK	cmyk(76.6%, 62.4%, 0%, 44.7%)
CIE-LAB	lab(26.13, 25.00, -51.06)
CIE-LCH	lch(26.13, 56.85, 296.09°)
OKLab	oklab(37.29% -0.0043 -0.1475)
OKLCH	oklch(37.29% 0.148 268.3)
XYZ	xyz(6.7064, 4.7919, 25.7656)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21358D #8D7921

analogous

#216B8D #21358D #43218D

triadic

#21358D #8D2135 #358D21

tetradic

#21358D #8D216B #8D7921 #218D43

square

#21358D #8D216B #8D7921 #218D43

split-complementary

#21358D #8D4321 #6B8D21

monochromatic

#0A102A #15225B #21358D #2D48BF #526AD6

Accessibility & contrast

On white

10.72

#21358D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#21358D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21358D

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21358D	#FFFFFF	#000000	##FFFFFF
##21358D	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #21358d;
/* rgb */ color: rgb(33, 53, 141);
/* oklch */ color: oklch(37.3% 0.148 268.3);

Tailwind

colors: {
  custom: {
    50: '#6e6caf',
    500: '#21358d',
    950: '#000000',
  },
}

SCSS

$custom: #21358d;
$custom-light: #6e6caf;
$custom-dark: #000000;

JSON

{
  "hex": "#21358d",
  "rgb": {
    "r": 33,
    "g": 53,
    "b": 141
  },
  "hsl": {
    "h": 228.889,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37285,
    "c": 0.14758,
    "h": 268.3
  },
  "luminance": 0.04793
}

Semantic roles & 50–950 ramp

primary

#21358D

secondary

#BAA650

accent

#C743E5

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #21358D

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

Preview Lab → · Contrast checker → · Palette generator →