#21548A#21548A

#21548A is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.0% C 0.104 H 252.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#21548A
RGB	rgb(33, 84, 138)
HSL	hsl(211, 61%, 34%)
HSV	hsv(211, 76%, 54%)
CMYK	cmyk(76.1%, 39.1%, 0%, 45.9%)
CIE-LAB	lab(35.00, 2.74, -34.93)
CIE-LCH	lch(35.00, 35.03, 274.49°)
OKLab	oklab(43.99% -0.0315 -0.0995)
OKLCH	oklch(43.99% 0.104 252.5)
XYZ	xyz(8.3833, 8.4980, 25.2383)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21548A #8A5721

analogous

#21888A #21548A #22218A

triadic

#21548A #8A2154 #548A21

tetradic

#21548A #8A2188 #8A5721 #218A22

square

#21548A #8A2188 #8A5721 #218A22

split-complementary

#21548A #8A2221 #888A21

monochromatic

#091827 #153659 #21548A #2D72BB #5091D5

Accessibility & contrast

On white

7.78

#21548A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#21548A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21548A

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21548A	#FFFFFF	#000000	##FFFFFF
##21548A	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B588C

Deuteranopia (green-blind)

#2B4E89

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #21548a;
/* rgb */ color: rgb(33, 84, 138);
/* oklch */ color: oklch(44.0% 0.104 252.5);

Tailwind

colors: {
  custom: {
    50: '#6b83ac',
    500: '#21548a',
    950: '#000000',
  },
}

SCSS

$custom: #21548a;
$custom-light: #6b83ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21548a",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 138
  },
  "hsl": {
    "h": 210.857,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43989,
    "c": 0.1044,
    "h": 252.5
  },
  "luminance": 0.08499
}

Semantic roles & 50–950 ramp

primary

#21548A

secondary

#B9854E

accent

#9643E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #21548A

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

Preview Lab → · Contrast checker → · Palette generator →