#21548C#21548C

#21548C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.107 H 253.2°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#21548C
RGB	rgb(33, 84, 140)
HSL	hsl(211, 62%, 34%)
HSV	hsv(211, 76%, 55%)
CMYK	cmyk(76.4%, 40%, 0%, 45.1%)
CIE-LAB	lab(35.12, 3.53, -35.96)
CIE-LCH	lch(35.12, 36.13, 275.60°)
OKLab	oklab(44.12% -0.031 -0.1026)
OKLCH	oklch(44.12% 0.107 253.2)
XYZ	xyz(8.5294, 8.5565, 26.0079)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21548C #8C5921

analogous

#218A8C #21548C #24218C

triadic

#21548C #8C2154 #548C21

tetradic

#21548C #8C218A #8C5921 #218C24

square

#21548C #8C218A #8C5921 #218C24

split-complementary

#21548C #8C2421 #8A8C21

monochromatic

#0A1929 #15365A #21548C #2D72BE #5191D6

Accessibility & contrast

On white

7.75

#21548C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#21548C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21548C

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21548C	#FFFFFF	#000000	##FFFFFF
##21548C	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588E

Deuteranopia (green-blind)

#294E8B

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #21548c;
/* rgb */ color: rgb(33, 84, 140);
/* oklch */ color: oklch(44.1% 0.107 253.2);

Tailwind

colors: {
  custom: {
    50: '#6c83ae',
    500: '#21548c',
    950: '#000000',
  },
}

SCSS

$custom: #21548c;
$custom-light: #6c83ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21548c",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 140
  },
  "hsl": {
    "h": 211.402,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44119,
    "c": 0.10715,
    "h": 253.2
  },
  "luminance": 0.08557
}

Semantic roles & 50–950 ramp

primary

#21548C

secondary

#B9874F

accent

#9843E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #21548C

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

Preview Lab → · Contrast checker → · Palette generator →