#21596E#21596E

#21596E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.7% C 0.067 H 226.3°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#21596E
RGB	rgb(33, 89, 110)
HSL	hsl(196, 54%, 28%)
HSV	hsv(196, 70%, 43%)
CMYK	cmyk(70%, 19.1%, 0%, 56.9%)
CIE-LAB	lab(35.19, -10.93, -17.37)
CIE-LCH	lch(35.19, 20.52, 237.82°)
OKLab	oklab(43.68% -0.0463 -0.0486)
OKLCH	oklch(43.68% 0.067 226.3)
XYZ	xyz(7.0129, 8.5931, 16.0379)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21596E #6E3621

analogous

#216E5C #21596E #21326E

triadic

#21596E #6E2159 #596E21

tetradic

#21596E #5C216E #6E3621 #326E21

square

#21596E #5C216E #6E3621 #326E21

split-complementary

#21596E #6E2132 #6E5C21

monochromatic

#071318 #13333F #21596E #2F7F9D #43A3C7

Accessibility & contrast

On white

7.72

#21596E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#21596E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21596E

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21596E	#FFFFFF	#000000	##FFFFFF
##21596E	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E576F

Deuteranopia (green-blind)

#434F6E

Tritanopia (blue-blind)

#005F60

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #21596e;
/* rgb */ color: rgb(33, 89, 110);
/* oklch */ color: oklch(43.7% 0.067 226.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21596e",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 110
  },
  "hsl": {
    "h": 196.364,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.43675,
    "c": 0.06712,
    "h": 226.3
  },
  "luminance": 0.08594
}

Semantic roles & 50–950 ramp

primary

#21596E

secondary

#A26149

accent

#734BDD

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #21596E

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

Preview Lab → · Contrast checker → · Palette generator →