#21517A#21517A

#21517A is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.086 H 247.4°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#21517A
RGB	rgb(33, 81, 122)
HSL	hsl(208, 57%, 30%)
HSV	hsv(208, 73%, 48%)
CMYK	cmyk(73%, 33.6%, 0%, 52.2%)
CIE-LAB	lab(33.16, -1.52, -27.98)
CIE-LCH	lch(33.16, 28.02, 266.90°)
OKLab	oklab(42.26% -0.033 -0.0793)
OKLCH	oklch(42.26% 0.086 247.4)
XYZ	xyz(7.0812, 7.6126, 19.5048)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21517A #7A4A21

analogous

#217A76 #21517A #21257A

triadic

#21517A #7A2151 #517A21

tetradic

#21517A #76217A #7A4A21 #257A21

square

#21517A #76217A #7A4A21 #257A21

split-complementary

#21517A #7A2125 #7A7621

monochromatic

#07111A #14314A #21517A #2E71AA #4890CD

Accessibility & contrast

On white

8.32

#21517A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#21517A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21517A

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21517A	#FFFFFF	#000000	##FFFFFF
##21517A	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F537C

Deuteranopia (green-blind)

#324A79

Tritanopia (blue-blind)

#005B60

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #21517a;
/* rgb */ color: rgb(33, 81, 122);
/* oklch */ color: oklch(42.3% 0.086 247.4);

Tailwind

colors: {
  custom: {
    50: '#6881a0',
    500: '#21517a',
    950: '#000000',
  },
}

SCSS

$custom: #21517a;
$custom-light: #6881a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21517a",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 122
  },
  "hsl": {
    "h": 207.64,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.42258,
    "c": 0.08589,
    "h": 247.4
  },
  "luminance": 0.07613
}

Semantic roles & 50–950 ramp

primary

#21517A

secondary

#AD774A

accent

#8E47E1

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #21517A

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

Preview Lab → · Contrast checker → · Palette generator →