#21536E#21536E

#21536E is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.1% C 0.070 H 235.5°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#21536E
RGB	rgb(33, 83, 110)
HSL	hsl(201, 54%, 28%)
HSV	hsv(201, 70%, 43%)
CMYK	cmyk(70%, 24.5%, 0%, 56.9%)
CIE-LAB	lab(33.21, -7.29, -20.43)
CIE-LCH	lch(33.21, 21.69, 250.35°)
OKLab	oklab(42.1% -0.0395 -0.0573)
OKLCH	oklch(42.1% 0.07 235.5)
XYZ	xyz(6.5338, 7.6349, 15.8782)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21536E #6E3C21

analogous

#216E62 #21536E #212C6E

triadic

#21536E #6E2153 #536E21

tetradic

#21536E #62216E #6E3C21 #2C6E21

square

#21536E #62216E #6E3C21 #2C6E21

split-complementary

#21536E #6E212C #6E6221

monochromatic

#071218 #132F3F #21536E #2F779D #4398C7

Accessibility & contrast

On white

8.31

#21536E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#21536E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21536E

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21536E	#FFFFFF	#000000	##FFFFFF
##21536E	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46526F

Deuteranopia (green-blind)

#3C4B6E

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #21536e;
/* rgb */ color: rgb(33, 83, 110);
/* oklch */ color: oklch(42.1% 0.070 235.5);

Tailwind

colors: {
  custom: {
    50: '#668397',
    500: '#21536e',
    950: '#000000',
  },
}

SCSS

$custom: #21536e;
$custom-light: #668397;
$custom-dark: #000000;

JSON

{
  "hex": "#21536e",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 110
  },
  "hsl": {
    "h": 201.039,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.42098,
    "c": 0.06961,
    "h": 235.5
  },
  "luminance": 0.07636
}

Semantic roles & 50–950 ramp

primary

#21536E

secondary

#A26849

accent

#7E4BDD

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #21536E

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

Preview Lab → · Contrast checker → · Palette generator →