#21596B#21596B

#21596B is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.5% C 0.065 H 222.6°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#21596B
RGB	rgb(33, 89, 107)
HSL	hsl(195, 53%, 27%)
HSV	hsv(195, 69%, 42%)
CMYK	cmyk(69.2%, 16.8%, 0%, 58%)
CIE-LAB	lab(35.06, -11.99, -15.70)
CIE-LCH	lch(35.06, 19.75, 232.62°)
OKLab	oklab(43.53% -0.0476 -0.0438)
OKLCH	oklch(43.53% 0.065 222.6)
XYZ	xyz(6.8523, 8.5289, 15.1922)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21596B #6B3321

analogous

#216B58 #21596B #21346B

triadic

#21596B #6B2159 #596B21

tetradic

#21596B #58216B #6B3321 #346B21

square

#21596B #58216B #6B3321 #346B21

split-complementary

#21596B #6B2134 #6B5821

monochromatic

#071317 #13323C #21596B #2F809A #42A5C5

Accessibility & contrast

On white

7.76

#21596B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#21596B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21596B

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21596B	#FFFFFF	#000000	##FFFFFF
##21596B	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576C

Deuteranopia (green-blind)

#444F6B

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #21596b;
/* rgb */ color: rgb(33, 89, 107);
/* oklch */ color: oklch(43.5% 0.065 222.6);

Tailwind

colors: {
  custom: {
    50: '#668895',
    500: '#21596b',
    950: '#000000',
  },
}

SCSS

$custom: #21596b;
$custom-light: #668895;
$custom-dark: #000000;

JSON

{
  "hex": "#21596b",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 107
  },
  "hsl": {
    "h": 194.595,
    "s": 52.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.43531,
    "c": 0.06469,
    "h": 222.6
  },
  "luminance": 0.0853
}

Semantic roles & 50–950 ramp

primary

#21596B

secondary

#9F5E49

accent

#6F4CDC

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #21596B

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

Preview Lab → · Contrast checker → · Palette generator →