#21516E#21516E

#21516E is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.6% C 0.071 H 238.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#21516E
RGB	rgb(33, 81, 110)
HSL	hsl(203, 54%, 28%)
HSV	hsv(203, 70%, 43%)
CMYK	cmyk(70%, 26.4%, 0%, 56.9%)
CIE-LAB	lab(32.55, -6.05, -21.45)
CIE-LCH	lch(32.55, 22.28, 254.25°)
OKLab	oklab(41.58% -0.0372 -0.0603)
OKLCH	oklch(41.58% 0.071 238.4)
XYZ	xyz(6.3830, 7.3333, 15.8279)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21516E #6E3E21

analogous

#216E64 #21516E #212B6E

triadic

#21516E #6E2151 #516E21

tetradic

#21516E #64216E #6E3E21 #2B6E21

square

#21516E #64216E #6E3E21 #2B6E21

split-complementary

#21516E #6E212B #6E6421

monochromatic

#071118 #132E3F #21516E #2F749D #4395C7

Accessibility & contrast

On white

8.51

#21516E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#21516E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21516E

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21516E	#FFFFFF	#000000	##FFFFFF
##21516E	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44516F

Deuteranopia (green-blind)

#39496E

Tritanopia (blue-blind)

#00585B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21516e;
/* rgb */ color: rgb(33, 81, 110);
/* oklch */ color: oklch(41.6% 0.071 238.4);

Tailwind

colors: {
  custom: {
    50: '#668197',
    500: '#21516e',
    950: '#000000',
  },
}

SCSS

$custom: #21516e;
$custom-light: #668197;
$custom-dark: #000000;

JSON

{
  "hex": "#21516e",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 110
  },
  "hsl": {
    "h": 202.597,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41577,
    "c": 0.07084,
    "h": 238.4
  },
  "luminance": 0.07334
}

Semantic roles & 50–950 ramp

primary

#21516E

secondary

#A26A49

accent

#824BDD

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #21516E

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

Preview Lab → · Contrast checker → · Palette generator →