#37659D#37659D

#37659D is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 50.1% C 0.103 H 254.5°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#37659D
RGB	rgb(55, 101, 157)
HSL	hsl(213, 48%, 42%)
HSV	hsv(213, 65%, 62%)
CMYK	cmyk(65%, 35.7%, 0%, 38.4%)
CIE-LAB	lab(42.08, 2.64, -35.10)
CIE-LCH	lch(42.08, 35.20, 274.31°)
OKLab	oklab(50.1% -0.0277 -0.0995)
OKLCH	oklch(50.1% 0.103 254.5)
XYZ	xyz(12.3128, 12.5527, 33.6658)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37659D #9D6F37

analogous

#37989D #37659D #3C379D

triadic

#37659D #9D3765 #659D37

tetradic

#37659D #9D3798 #9D6F37 #379D3C

square

#37659D #9D3798 #9D6F37 #379D3C

split-complementary

#37659D #9D3C37 #989D37

monochromatic

#172B42 #274870 #37659D #5083C2 #7DA3D1

Accessibility & contrast

On white

5.98

#37659D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#37659D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37659D

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37659D	#FFFFFF	#000000	##FFFFFF
##37659D	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D699F

Deuteranopia (green-blind)

#3F5F9C

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #37659d;
/* rgb */ color: rgb(55, 101, 157);
/* oklch */ color: oklch(50.1% 0.103 254.5);

Tailwind

colors: {
  custom: {
    50: '#7890ba',
    500: '#37659d',
    950: '#000000',
  },
}

SCSS

$custom: #37659d;
$custom-light: #7890ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37659d",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 157
  },
  "hsl": {
    "h": 212.941,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50103,
    "c": 0.10328,
    "h": 254.5
  },
  "luminance": 0.12554
}

Semantic roles & 50–950 ramp

primary

#37659D

secondary

#BB9B75

accent

#9B50D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #37659D

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

Preview Lab → · Contrast checker → · Palette generator →