#37556B#37556B

#37556B is a dark, muted cyan. Relative luminance 0.084; OKLCH L 43.5% C 0.051 H 241.2°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#37556B
RGB	rgb(55, 85, 107)
HSL	hsl(205, 32%, 32%)
HSV	hsv(205, 49%, 42%)
CMYK	cmyk(48.6%, 20.6%, 0%, 58%)
CIE-LAB	lab(34.74, -4.48, -16.10)
CIE-LCH	lch(34.74, 16.71, 254.46°)
OKLab	oklab(43.55% -0.0246 -0.0447)
OKLCH	oklch(43.55% 0.051 241.2)
XYZ	xyz(7.4770, 8.3702, 15.1287)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37556B #6B4D37

analogous

#376B67 #37556B #373B6B

triadic

#37556B #6B3755 #556B37

tetradic

#37556B #67376B #6B4D37 #3B6B37

square

#37556B #67376B #6B4D37 #3B6B37

split-complementary

#37556B #6B373B #6B6737

monochromatic

#0D151A #223543 #37556B #4C7593 #6A94B2

Accessibility & contrast

On white

7.85

#37556B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#37556B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37556B

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37556B	#FFFFFF	#000000	##FFFFFF
##37556B	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C556C

Deuteranopia (green-blind)

#454F6B

Tritanopia (blue-blind)

#205A5C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #37556b;
/* rgb */ color: rgb(55, 85, 107);
/* oklch */ color: oklch(43.5% 0.051 241.2);

Tailwind

colors: {
  custom: {
    50: '#718495',
    500: '#37556b',
    950: '#000000',
  },
}

SCSS

$custom: #37556b;
$custom-light: #718495;
$custom-dark: #000000;

JSON

{
  "hex": "#37556b",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 107
  },
  "hsl": {
    "h": 205.385,
    "s": 32.099,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43547,
    "c": 0.05103,
    "h": 241.2
  },
  "luminance": 0.08371
}

Semantic roles & 50–950 ramp

primary

#37556B

secondary

#9B7B62

accent

#8C60C8

background

#F6F8F9

surface

#ECEFF1

border

#C7CACB

text

#080B0D

muted

#7B7C7E

Preview Lab

Preview with #37556B

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

Preview Lab → · Contrast checker → · Palette generator →