#21538E#21538E

#21538E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.0% C 0.111 H 254.6°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#21538E
RGB	rgb(33, 83, 142)
HSL	hsl(212, 62%, 34%)
HSV	hsv(212, 77%, 56%)
CMYK	cmyk(76.8%, 41.5%, 0%, 44.3%)
CIE-LAB	lab(34.93, 4.97, -37.48)
CIE-LCH	lch(34.93, 37.81, 277.55°)
OKLab	oklab(44.01% -0.0295 -0.107)
OKLCH	oklch(44.01% 0.111 254.6)
XYZ	xyz(8.6011, 8.4619, 26.7659)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21538E #8E5C21

analogous

#218A8E #21538E #25218E

triadic

#21538E #8E2153 #538E21

tetradic

#21538E #8E218A #8E5C21 #218E25

square

#21538E #8E218A #8E5C21 #218E25

split-complementary

#21538E #8E2521 #8A8E21

monochromatic

#0A192B #15365C #21538E #2D70C0 #528FD7

Accessibility & contrast

On white

7.80

#21538E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#21538E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21538E

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21538E	#FFFFFF	#000000	##FFFFFF
##21538E	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375890

Deuteranopia (green-blind)

#254E8D

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #21538e;
/* rgb */ color: rgb(33, 83, 142);
/* oklch */ color: oklch(44.0% 0.111 254.6);

Tailwind

colors: {
  custom: {
    50: '#6c82af',
    500: '#21538e',
    950: '#000000',
  },
}

SCSS

$custom: #21538e;
$custom-light: #6c82af;
$custom-dark: #000000;

JSON

{
  "hex": "#21538e",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 142
  },
  "hsl": {
    "h": 212.477,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.4401,
    "c": 0.11104,
    "h": 254.6
  },
  "luminance": 0.08463
}

Semantic roles & 50–950 ramp

primary

#21538E

secondary

#BA8A50

accent

#9B42E5

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #21538E

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

Preview Lab → · Contrast checker → · Palette generator →