#37557E#37557E

#37557E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.5% C 0.077 H 256.5°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#37557E
RGB	rgb(55, 85, 126)
HSL	hsl(215, 39%, 35%)
HSV	hsv(215, 56%, 49%)
CMYK	cmyk(56.3%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(35.63, 1.85, -26.51)
CIE-LCH	lch(35.63, 26.58, 273.98°)
OKLab	oklab(44.53% -0.018 -0.0746)
OKLCH	oklch(44.53% 0.077 256.5)
XYZ	xyz(8.5886, 8.8149, 20.9835)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37557E #7E6037

analogous

#37787E #37557E #3C377E

triadic

#37557E #7E3755 #557E37

tetradic

#37557E #7E3778 #7E6037 #377E3C

square

#37557E #7E3778 #7E6037 #377E3C

split-complementary

#37557E #7E3C37 #787E37

monochromatic

#121C29 #243853 #37557E #4A72A9 #6F91C0

Accessibility & contrast

On white

7.60

#37557E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#37557E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37557E

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37557E	#FFFFFF	#000000	##FFFFFF
##37557E	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455880

Deuteranopia (green-blind)

#3C517D

Tritanopia (blue-blind)

#0C5E64

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37557e;
/* rgb */ color: rgb(55, 85, 126);
/* oklch */ color: oklch(44.5% 0.077 256.5);

Tailwind

colors: {
  custom: {
    50: '#7384a3',
    500: '#37557e',
    950: '#000000',
  },
}

SCSS

$custom: #37557e;
$custom-light: #7384a3;
$custom-dark: #000000;

JSON

{
  "hex": "#37557e",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 214.648,
    "s": 39.227,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44533,
    "c": 0.07678,
    "h": 256.5
  },
  "luminance": 0.08816
}

Semantic roles & 50–950 ramp

primary

#37557E

secondary

#A98D68

accent

#9D59CF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #37557E

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

Preview Lab → · Contrast checker → · Palette generator →