#21508F#21508F

#21508F is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.4% C 0.116 H 256.8°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#21508F
RGB	rgb(33, 80, 143)
HSL	hsl(214, 63%, 35%)
HSV	hsv(214, 77%, 56%)
CMYK	cmyk(76.9%, 44.1%, 0%, 43.9%)
CIE-LAB	lab(34.07, 7.35, -39.46)
CIE-LCH	lch(34.07, 40.13, 280.55°)
OKLab	oklab(43.37% -0.0265 -0.1129)
OKLCH	oklch(43.37% 0.116 256.8)
XYZ	xyz(8.4520, 8.0429, 27.0883)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21508F #8F6021

analogous

#21878F #21508F #29218F

triadic

#21508F #8F2150 #508F21

tetradic

#21508F #8F2187 #8F6021 #218F29

square

#21508F #8F2187 #8F6021 #218F29

split-complementary

#21508F #8F2921 #878F21

monochromatic

#0A182C #16345D #21508F #2C6CC1 #538CD7

Accessibility & contrast

On white

8.05

#21508F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#21508F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21508F

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21508F	#FFFFFF	#000000	##FFFFFF
##21508F	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315691

Deuteranopia (green-blind)

#1D4B8E

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #21508f;
/* rgb */ color: rgb(33, 80, 143);
/* oklch */ color: oklch(43.4% 0.116 256.8);

Tailwind

colors: {
  custom: {
    50: '#6d80b0',
    500: '#21508f',
    950: '#000000',
  },
}

SCSS

$custom: #21508f;
$custom-light: #6d80b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21508f",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 143
  },
  "hsl": {
    "h": 214.364,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43366,
    "c": 0.11597,
    "h": 256.8
  },
  "luminance": 0.08044
}

Semantic roles & 50–950 ramp

primary

#21508F

secondary

#BB8E51

accent

#A042E6

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #21508F

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

Preview Lab → · Contrast checker → · Palette generator →