#37557A#37557A

#37557A is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.071 H 254.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#37557A
RGB	rgb(55, 85, 122)
HSL	hsl(213, 38%, 35%)
HSV	hsv(213, 55%, 48%)
CMYK	cmyk(54.9%, 30.3%, 0%, 52.2%)
CIE-LAB	lab(35.43, 0.48, -24.36)
CIE-LCH	lch(35.43, 24.36, 271.12°)
OKLab	oklab(44.31% -0.0192 -0.0684)
OKLCH	oklch(44.31% 0.071 254.3)
XYZ	xyz(8.3357, 8.7137, 19.6512)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37557A #7A5C37

analogous

#37777A #37557A #3A377A

triadic

#37557A #7A3755 #557A37

tetradic

#37557A #7A3777 #7A5C37 #377A3A

square

#37557A #7A3777 #7A5C37 #377A3A

split-complementary

#37557A #7A3A37 #777A37

monochromatic

#111A26 #243850 #37557A #4A72A4 #6E92BE

Accessibility & contrast

On white

7.66

#37557A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#37557A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37557A

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37557A	#FFFFFF	#000000	##FFFFFF
##37557A	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46577C

Deuteranopia (green-blind)

#3E5079

Tritanopia (blue-blind)

#125D62

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #37557a;
/* rgb */ color: rgb(55, 85, 122);
/* oklch */ color: oklch(44.3% 0.071 254.3);

Tailwind

colors: {
  custom: {
    50: '#7384a0',
    500: '#37557a',
    950: '#000000',
  },
}

SCSS

$custom: #37557a;
$custom-light: #7384a0;
$custom-dark: #000000;

JSON

{
  "hex": "#37557a",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 122
  },
  "hsl": {
    "h": 213.134,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.44312,
    "c": 0.07105,
    "h": 254.3
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary

#37557A

secondary

#A68A66

accent

#9A5ACE

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #37557A

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

Preview Lab → · Contrast checker → · Palette generator →