#37557D#37557D

#37557D is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.075 H 256.0°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#37557D
RGB	rgb(55, 85, 125)
HSL	hsl(214, 39%, 35%)
HSV	hsv(214, 56%, 49%)
CMYK	cmyk(56%, 32%, 0%, 51%)
CIE-LAB	lab(35.58, 1.50, -25.98)
CIE-LCH	lch(35.58, 26.02, 273.31°)
OKLab	oklab(44.48% -0.0183 -0.0731)
OKLCH	oklch(44.48% 0.075 256)
XYZ	xyz(8.5244, 8.7892, 20.6453)
Luminance	0.0879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37557D #7D5F37

analogous

#37787D #37557D #3C377D

triadic

#37557D #7D3755 #557D37

tetradic

#37557D #7D3778 #7D5F37 #377D3C

square

#37557D #7D3778 #7D5F37 #377D3C

split-complementary

#37557D #7D3C37 #787D37

monochromatic

#121B28 #243852 #37557D #4A72A7 #6F91C0

Accessibility & contrast

On white

7.61

#37557D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#37557D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37557D

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37557D	#FFFFFF	#000000	##FFFFFF
##37557D	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577F

Deuteranopia (green-blind)

#3C517C

Tritanopia (blue-blind)

#0E5E63

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37557d;
/* rgb */ color: rgb(55, 85, 125);
/* oklch */ color: oklch(44.5% 0.075 256.0);

Tailwind

colors: {
  custom: {
    50: '#7384a3',
    500: '#37557d',
    950: '#000000',
  },
}

SCSS

$custom: #37557d;
$custom-light: #7384a3;
$custom-dark: #000000;

JSON

{
  "hex": "#37557d",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 125
  },
  "hsl": {
    "h": 214.286,
    "s": 38.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44477,
    "c": 0.07534,
    "h": 256
  },
  "luminance": 0.0879
}

Semantic roles & 50–950 ramp

primary

#37557D

secondary

#A88D67

accent

#9C59CF

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #37557D

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

Preview Lab → · Contrast checker → · Palette generator →