#37587F#37587F

#37587F is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.3% C 0.075 H 253.4°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#37587F
RGB	rgb(55, 88, 127)
HSL	hsl(213, 40%, 36%)
HSV	hsv(213, 57%, 50%)
CMYK	cmyk(56.7%, 30.7%, 0%, 50.2%)
CIE-LAB	lab(36.60, 0.28, -25.60)
CIE-LCH	lch(36.60, 25.61, 270.63°)
OKLab	oklab(45.31% -0.0214 -0.072)
OKLCH	oklch(45.31% 0.075 253.4)
XYZ	xyz(8.8947, 9.3233, 21.4054)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37587F #7F5E37

analogous

#377C7F #37587F #3A377F

triadic

#37587F #7F3758 #587F37

tetradic

#37587F #7F377C #7F5E37 #377F3A

square

#37587F #7F377C #7F5E37 #377F3A

split-complementary

#37587F #7F3A37 #7C7F37

monochromatic

#121D2A #253A54 #37587F #4976AA #7095C1

Accessibility & contrast

On white

7.33

#37587F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#37587F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37587F

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37587F	#FFFFFF	#000000	##FFFFFF
##37587F	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485A81

Deuteranopia (green-blind)

#3F537E

Tritanopia (blue-blind)

#086166

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #37587f;
/* rgb */ color: rgb(55, 88, 127);
/* oklch */ color: oklch(45.3% 0.075 253.4);

Tailwind

colors: {
  custom: {
    50: '#7386a4',
    500: '#37587f',
    950: '#000000',
  },
}

SCSS

$custom: #37587f;
$custom-light: #7386a4;
$custom-dark: #000000;

JSON

{
  "hex": "#37587f",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 127
  },
  "hsl": {
    "h": 212.5,
    "s": 39.56,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45311,
    "c": 0.0751,
    "h": 253.4
  },
  "luminance": 0.09324
}

Semantic roles & 50–950 ramp

primary

#37587F

secondary

#AA8C68

accent

#9958CF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #37587F

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

Preview Lab → · Contrast checker → · Palette generator →