#37577E#37577E

#37577E is a mid, moderate cyan. Relative luminance 0.091; OKLCH L 45.0% C 0.075 H 254.1°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#37577E
RGB	rgb(55, 87, 126)
HSL	hsl(213, 39%, 35%)
HSV	hsv(213, 56%, 49%)
CMYK	cmyk(56.3%, 31%, 0%, 50.6%)
CIE-LAB	lab(36.24, 0.57, -25.55)
CIE-LCH	lch(36.24, 25.56, 271.28°)
OKLab	oklab(45.02% -0.0205 -0.0718)
OKLCH	oklch(45.02% 0.075 254.1)
XYZ	xyz(8.7483, 9.1343, 21.0367)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37577E #7E5E37

analogous

#377A7E #37577E #3A377E

triadic

#37577E #7E3757 #577E37

tetradic

#37577E #7E377A #7E5E37 #377E3A

square

#37577E #7E377A #7E5E37 #377E3A

split-complementary

#37577E #7E3A37 #7A7E37

monochromatic

#121C29 #243A53 #37577E #4A74A9 #6F94C0

Accessibility & contrast

On white

7.43

#37577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#37577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37577E

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37577E	#FFFFFF	#000000	##FFFFFF
##37577E	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475980

Deuteranopia (green-blind)

#3E527D

Tritanopia (blue-blind)

#0B6065

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37577e;
/* rgb */ color: rgb(55, 87, 126);
/* oklch */ color: oklch(45.0% 0.075 254.1);

Tailwind

colors: {
  custom: {
    50: '#7386a3',
    500: '#37577e',
    950: '#000000',
  },
}

SCSS

$custom: #37577e;
$custom-light: #7386a3;
$custom-dark: #000000;

JSON

{
  "hex": "#37577e",
  "rgb": {
    "r": 55,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 212.958,
    "s": 39.227,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45015,
    "c": 0.0747,
    "h": 254.1
  },
  "luminance": 0.09135
}

Semantic roles & 50–950 ramp

primary

#37577E

secondary

#A98C68

accent

#9A59CF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #37577E

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

Preview Lab → · Contrast checker → · Palette generator →