#33537B#33537B

#33537B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.7% C 0.077 H 254.7°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#33537B
RGB	rgb(51, 83, 123)
HSL	hsl(213, 41%, 34%)
HSV	hsv(213, 59%, 48%)
CMYK	cmyk(58.5%, 32.5%, 0%, 51.8%)
CIE-LAB	lab(34.64, 1.14, -26.22)
CIE-LCH	lch(34.64, 26.25, 272.49°)
OKLab	oklab(43.65% -0.0202 -0.0739)
OKLCH	oklch(43.65% 0.077 254.7)
XYZ	xyz(8.0324, 8.3197, 19.9176)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33537B #7B5B33

analogous

#33777B #33537B #37337B

triadic

#33537B #7B3353 #537B33

tetradic

#33537B #7B3377 #7B5B33 #337B37

square

#33537B #7B3377 #7B5B33 #337B37

split-complementary

#33537B #7B3733 #777B33

monochromatic

#0F1924 #213650 #33537B #4570A6 #688FC0

Accessibility & contrast

On white

7.88

#33537B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#33537B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33537B

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33537B	#FFFFFF	#000000	##FFFFFF
##33537B	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43557D

Deuteranopia (green-blind)

#394E7A

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #33537b;
/* rgb */ color: rgb(51, 83, 123);
/* oklch */ color: oklch(43.7% 0.077 254.7);

Tailwind

colors: {
  custom: {
    50: '#7183a1',
    500: '#33537b',
    950: '#000000',
  },
}

SCSS

$custom: #33537b;
$custom-light: #7183a1;
$custom-dark: #000000;

JSON

{
  "hex": "#33537b",
  "rgb": {
    "r": 51,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 213.333,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43654,
    "c": 0.0766,
    "h": 254.7
  },
  "luminance": 0.0832
}

Semantic roles & 50–950 ramp

primary

#33537B

secondary

#A88962

accent

#9B57D1

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #33537B

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

Preview Lab → · Contrast checker → · Palette generator →