#37597D#37597D

#37597D is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.4% C 0.071 H 250.9°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#37597D
RGB	rgb(55, 89, 125)
HSL	hsl(211, 39%, 35%)
HSV	hsv(211, 56%, 49%)
CMYK	cmyk(56%, 28.8%, 0%, 51%)
CIE-LAB	lab(36.81, -1.03, -24.04)
CIE-LCH	lch(36.81, 24.07, 267.55°)
OKLab	oklab(45.45% -0.0233 -0.0675)
OKLCH	oklch(45.45% 0.071 250.9)
XYZ	xyz(8.8483, 9.4369, 20.7533)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37597D #7D5B37

analogous

#377C7D #37597D #38377D

triadic

#37597D #7D3759 #597D37

tetradic

#37597D #7D377C #7D5B37 #377D38

square

#37597D #7D377C #7D5B37 #377D38

split-complementary

#37597D #7D3837 #7C7D37

monochromatic

#121C28 #243B52 #37597D #4A77A7 #6F96C0

Accessibility & contrast

On white

7.27

#37597D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#37597D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37597D

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37597D	#FFFFFF	#000000	##FFFFFF
##37597D	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5A7F

Deuteranopia (green-blind)

#41547C

Tritanopia (blue-blind)

#0C6166

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #37597d;
/* rgb */ color: rgb(55, 89, 125);
/* oklch */ color: oklch(45.4% 0.071 250.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37597d",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 125
  },
  "hsl": {
    "h": 210.857,
    "s": 38.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.45447,
    "c": 0.07138,
    "h": 250.9
  },
  "luminance": 0.09438
}

Semantic roles & 50–950 ramp

primary

#37597D

secondary

#A88967

accent

#9659CF

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #37597D

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

Preview Lab → · Contrast checker → · Palette generator →