#21596D#21596D

#21596D is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.6% C 0.066 H 225.1°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#21596D
RGB	rgb(33, 89, 109)
HSL	hsl(196, 54%, 28%)
HSV	hsv(196, 70%, 43%)
CMYK	cmyk(69.7%, 18.3%, 0%, 57.3%)
CIE-LAB	lab(35.15, -11.28, -16.81)
CIE-LCH	lch(35.15, 20.25, 236.13°)
OKLab	oklab(43.63% -0.0468 -0.047)
OKLCH	oklch(43.63% 0.066 225.1)
XYZ	xyz(6.9588, 8.5715, 15.7528)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21596D #6D3521

analogous

#216D5B #21596D #21336D

triadic

#21596D #6D2159 #596D21

tetradic

#21596D #5B216D #6D3521 #336D21

square

#21596D #5B216D #6D3521 #336D21

split-complementary

#21596D #6D2133 #6D5B21

monochromatic

#071317 #13333E #21596D #2F7F9C #42A3C6

Accessibility & contrast

On white

7.74

#21596D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#21596D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21596D

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21596D	#FFFFFF	#000000	##FFFFFF
##21596D	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E576E

Deuteranopia (green-blind)

#434F6D

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #21596d;
/* rgb */ color: rgb(33, 89, 109);
/* oklch */ color: oklch(43.6% 0.066 225.1);

Tailwind

colors: {
  custom: {
    50: '#668897',
    500: '#21596d',
    950: '#000000',
  },
}

SCSS

$custom: #21596d;
$custom-light: #668897;
$custom-dark: #000000;

JSON

{
  "hex": "#21596d",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 109
  },
  "hsl": {
    "h": 195.789,
    "s": 53.521,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43627,
    "c": 0.06628,
    "h": 225.1
  },
  "luminance": 0.08572
}

Semantic roles & 50–950 ramp

primary

#21596D

secondary

#A16049

accent

#714BDD

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #21596D

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

Preview Lab → · Contrast checker → · Palette generator →