#37597E#37597E

#37597E is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.5% C 0.073 H 251.6°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#37597E
RGB	rgb(55, 89, 126)
HSL	hsl(211, 39%, 35%)
HSV	hsv(211, 56%, 49%)
CMYK	cmyk(56.3%, 29.4%, 0%, 50.6%)
CIE-LAB	lab(36.86, -0.69, -24.58)
CIE-LCH	lch(36.86, 24.59, 268.39°)
OKLab	oklab(45.5% -0.023 -0.069)
OKLCH	oklch(45.5% 0.073 251.6)
XYZ	xyz(8.9125, 9.4626, 21.0914)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37597E #7E5C37

analogous

#377C7E #37597E #38377E

triadic

#37597E #7E3759 #597E37

tetradic

#37597E #7E377C #7E5C37 #377E38

square

#37597E #7E377C #7E5C37 #377E38

split-complementary

#37597E #7E3837 #7C7E37

monochromatic

#121D29 #243B53 #37597E #4A77A9 #6F96C0

Accessibility & contrast

On white

7.26

#37597E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#37597E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37597E

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37597E	#FFFFFF	#000000	##FFFFFF
##37597E	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5B80

Deuteranopia (green-blind)

#41547D

Tritanopia (blue-blind)

#0A6166

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #37597e;
/* rgb */ color: rgb(55, 89, 126);
/* oklch */ color: oklch(45.5% 0.073 251.6);

Tailwind

colors: {
  custom: {
    50: '#7387a3',
    500: '#37597e',
    950: '#000000',
  },
}

SCSS

$custom: #37597e;
$custom-light: #7387a3;
$custom-dark: #000000;

JSON

{
  "hex": "#37597e",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 126
  },
  "hsl": {
    "h": 211.268,
    "s": 39.227,
    "l": 35.49
  },
  "oklch": {
    "l": 0.455,
    "c": 0.07275,
    "h": 251.6
  },
  "luminance": 0.09463
}

Semantic roles & 50–950 ramp

primary

#37597E

secondary

#A98A68

accent

#9659CF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #37597E

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

Preview Lab → · Contrast checker → · Palette generator →