#21596F#21596F

#21596F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.7% C 0.068 H 227.5°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#21596F
RGB	rgb(33, 89, 111)
HSL	hsl(197, 54%, 28%)
HSV	hsv(197, 70%, 44%)
CMYK	cmyk(70.3%, 19.8%, 0%, 56.5%)
CIE-LAB	lab(35.23, -10.57, -17.92)
CIE-LCH	lch(35.23, 20.81, 239.46°)
OKLab	oklab(43.72% -0.0459 -0.0501)
OKLCH	oklch(43.72% 0.068 227.5)
XYZ	xyz(7.0677, 8.6150, 16.3262)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21596F #6F3721

analogous

#216F5E #21596F #21326F

triadic

#21596F #6F2159 #596F21

tetradic

#21596F #5E216F #6F3721 #326F21

square

#21596F #5E216F #6F3721 #326F21

split-complementary

#21596F #6F2132 #6F5E21

monochromatic

#071318 #133340 #21596F #2F7F9E #43A2C7

Accessibility & contrast

On white

7.71

#21596F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#21596F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21596F

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21596F	#FFFFFF	#000000	##FFFFFF
##21596F	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5770

Deuteranopia (green-blind)

#434F6F

Tritanopia (blue-blind)

#005F60

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #21596f;
/* rgb */ color: rgb(33, 89, 111);
/* oklch */ color: oklch(43.7% 0.068 227.5);

Tailwind

colors: {
  custom: {
    50: '#678898',
    500: '#21596f',
    950: '#000000',
  },
}

SCSS

$custom: #21596f;
$custom-light: #678898;
$custom-dark: #000000;

JSON

{
  "hex": "#21596f",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 111
  },
  "hsl": {
    "h": 196.923,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.43724,
    "c": 0.068,
    "h": 227.5
  },
  "luminance": 0.08616
}

Semantic roles & 50–950 ramp

primary

#21596F

secondary

#A36249

accent

#744ADE

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #21596F

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

Preview Lab → · Contrast checker → · Palette generator →