#21487D#21487D

#21487D is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.2% C 0.100 H 256.8°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#21487D
RGB	rgb(33, 72, 125)
HSL	hsl(215, 58%, 31%)
HSV	hsv(215, 74%, 49%)
CMYK	cmyk(73.6%, 42.4%, 0%, 51%)
CIE-LAB	lab(30.49, 5.58, -34.08)
CIE-LCH	lch(30.49, 34.53, 279.30°)
OKLab	oklab(40.23% -0.0228 -0.0973)
OKLCH	oklch(40.23% 0.1 256.8)
XYZ	xyz(6.6449, 6.4380, 20.2905)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21487D #7D5621

analogous

#21767D #21487D #28217D

triadic

#21487D #7D2148 #487D21

tetradic

#21487D #7D2176 #7D5621 #217D28

square

#21487D #7D2176 #7D5621 #217D28

split-complementary

#21487D #7D2821 #767D21

monochromatic

#07101C #142C4D #21487D #2E64AD #4982CF

Accessibility & contrast

On white

9.18

#21487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#21487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21487D

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21487D	#FFFFFF	#000000	##FFFFFF
##21487D	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4C7F

Deuteranopia (green-blind)

#20447C

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #21487d;
/* rgb */ color: rgb(33, 72, 125);
/* oklch */ color: oklch(40.2% 0.100 256.8);

Tailwind

colors: {
  custom: {
    50: '#697aa3',
    500: '#21487d',
    950: '#000000',
  },
}

SCSS

$custom: #21487d;
$custom-light: #697aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#21487d",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 214.565,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40225,
    "c": 0.09989,
    "h": 256.8
  },
  "luminance": 0.06439
}

Semantic roles & 50–950 ramp

primary

#21487D

secondary

#B0854A

accent

#A046E1

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #21487D

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

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