#21507E#21507E

#21507E is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.092 H 250.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#21507E
RGB	rgb(33, 80, 126)
HSL	hsl(210, 58%, 31%)
HSV	hsv(210, 74%, 49%)
CMYK	cmyk(73.8%, 36.5%, 0%, 50.6%)
CIE-LAB	lab(33.06, 0.67, -30.62)
CIE-LCH	lch(33.06, 30.63, 271.26°)
OKLab	oklab(42.25% -0.0307 -0.087)
OKLCH	oklch(42.25% 0.092 250.5)
XYZ	xyz(7.2603, 7.5662, 20.8124)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21507E #7E4F21

analogous

#217E7D #21507E #21217E

triadic

#21507E #7E2150 #507E21

tetradic

#21507E #7D217E #7E4F21 #217E21

square

#21507E #7D217E #7E4F21 #217E21

split-complementary

#21507E #7E2121 #7E7D21

monochromatic

#08121D #14314E #21507E #2E6FAE #4A8DD0

Accessibility & contrast

On white

8.36

#21507E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#21507E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21507E

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21507E	#FFFFFF	#000000	##FFFFFF
##21507E	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5380

Deuteranopia (green-blind)

#2E4A7D

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #21507e;
/* rgb */ color: rgb(33, 80, 126);
/* oklch */ color: oklch(42.3% 0.092 250.5);

Tailwind

colors: {
  custom: {
    50: '#6980a3',
    500: '#21507e',
    950: '#000000',
  },
}

SCSS

$custom: #21507e;
$custom-light: #6980a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21507e",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 126
  },
  "hsl": {
    "h": 209.677,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42251,
    "c": 0.09226,
    "h": 250.5
  },
  "luminance": 0.07567
}

Semantic roles & 50–950 ramp

primary

#21507E

secondary

#B17D4A

accent

#9346E2

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #21507E

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

Preview Lab → · Contrast checker → · Palette generator →