#37557C#37557C

#37557C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.4% C 0.074 H 255.4°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#37557C
RGB	rgb(55, 85, 124)
HSL	hsl(214, 39%, 35%)
HSV	hsv(214, 56%, 49%)
CMYK	cmyk(55.6%, 31.5%, 0%, 51.4%)
CIE-LAB	lab(35.53, 1.16, -25.44)
CIE-LCH	lch(35.53, 25.46, 272.61°)
OKLab	oklab(44.42% -0.0186 -0.0715)
OKLCH	oklch(44.42% 0.074 255.4)
XYZ	xyz(8.4609, 8.7638, 20.3106)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37557C #7C5E37

analogous

#37777C #37557C #3C377C

triadic

#37557C #7C3755 #557C37

tetradic

#37557C #7C3777 #7C5E37 #377C3C

square

#37557C #7C3777 #7C5E37 #377C3C

split-complementary

#37557C #7C3C37 #777C37

monochromatic

#111B27 #243852 #37557C #4A72A6 #6E91BF

Accessibility & contrast

On white

7.63

#37557C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#37557C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37557C

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37557C	#FFFFFF	#000000	##FFFFFF
##37557C	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577E

Deuteranopia (green-blind)

#3D517B

Tritanopia (blue-blind)

#0F5E63

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37557c;
/* rgb */ color: rgb(55, 85, 124);
/* oklch */ color: oklch(44.4% 0.074 255.4);

Tailwind

colors: {
  custom: {
    50: '#7384a2',
    500: '#37557c',
    950: '#000000',
  },
}

SCSS

$custom: #37557c;
$custom-light: #7384a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37557c",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 124
  },
  "hsl": {
    "h": 213.913,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.44422,
    "c": 0.0739,
    "h": 255.4
  },
  "luminance": 0.08764
}

Semantic roles & 50–950 ramp

primary

#37557C

secondary

#A88C67

accent

#9C59CE

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #37557C

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

Preview Lab → · Contrast checker → · Palette generator →