#37537A#37537A

#37537A is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.073 H 256.8°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#37537A
RGB	rgb(55, 83, 122)
HSL	hsl(215, 38%, 35%)
HSV	hsv(215, 55%, 48%)
CMYK	cmyk(54.9%, 32%, 0%, 52.2%)
CIE-LAB	lab(34.81, 1.75, -25.32)
CIE-LCH	lch(34.81, 25.38, 273.96°)
OKLab	oklab(43.83% -0.0167 -0.0712)
OKLCH	oklch(43.83% 0.073 256.8)
XYZ	xyz(8.1804, 8.4033, 19.5995)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37537A #7A5E37

analogous

#37757A #37537A #3C377A

triadic

#37537A #7A3753 #537A37

tetradic

#37537A #7A3775 #7A5E37 #377A3C

square

#37537A #7A3775 #7A5E37 #377A3C

split-complementary

#37537A #7A3C37 #757A37

monochromatic

#111A26 #243650 #37537A #4A70A4 #6E8FBE

Accessibility & contrast

On white

7.83

#37537A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#37537A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37537A

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37537A	#FFFFFF	#000000	##FFFFFF
##37537A	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44557C

Deuteranopia (green-blind)

#3B4F79

Tritanopia (blue-blind)

#135C61

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #37537a;
/* rgb */ color: rgb(55, 83, 122);
/* oklch */ color: oklch(43.8% 0.073 256.8);

Tailwind

colors: {
  custom: {
    50: '#7383a0',
    500: '#37537a',
    950: '#000000',
  },
}

SCSS

$custom: #37537a;
$custom-light: #7383a0;
$custom-dark: #000000;

JSON

{
  "hex": "#37537a",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 214.925,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.43828,
    "c": 0.07313,
    "h": 256.8
  },
  "luminance": 0.08404
}

Semantic roles & 50–950 ramp

primary

#37537A

secondary

#A68C66

accent

#9D5ACE

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #37537A

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

Preview Lab → · Contrast checker → · Palette generator →