#37648B#37648B

#37648B is a mid, moderate cyan. Relative luminance 0.118; OKLCH L 48.9% C 0.080 H 246.5°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#37648B
RGB	rgb(55, 100, 139)
HSL	hsl(208, 43%, 38%)
HSV	hsv(208, 60%, 55%)
CMYK	cmyk(60.4%, 28.1%, 0%, 45.5%)
CIE-LAB	lab(40.88, -3.06, -26.21)
CIE-LCH	lch(40.88, 26.39, 263.34°)
OKLab	oklab(48.87% -0.032 -0.0737)
OKLCH	oklch(48.87% 0.08 246.5)
XYZ	xyz(10.7912, 11.7897, 26.1280)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37648B #8B5E37

analogous

#378B88 #37648B #373A8B

triadic

#37648B #8B3764 #648B37

tetradic

#37648B #88378B #8B5E37 #3A8B37

square

#37648B #88378B #8B5E37 #3A8B37

split-complementary

#37648B #8B373A #8B8837

monochromatic

#142533 #26445F #37648B #4884B7 #74A1C8

Accessibility & contrast

On white

6.25

#37648B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#37648B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37648B

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37648B	#FFFFFF	#000000	##FFFFFF
##37648B	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53658D

Deuteranopia (green-blind)

#485D8A

Tritanopia (blue-blind)

#006D72

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #37648b;
/* rgb */ color: rgb(55, 100, 139);
/* oklch */ color: oklch(48.9% 0.080 246.5);

Tailwind

colors: {
  custom: {
    50: '#7590ad',
    500: '#37648b',
    950: '#000000',
  },
}

SCSS

$custom: #37648b;
$custom-light: #7590ad;
$custom-dark: #000000;

JSON

{
  "hex": "#37648b",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 139
  },
  "hsl": {
    "h": 207.857,
    "s": 43.299,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48866,
    "c": 0.08033,
    "h": 246.5
  },
  "luminance": 0.11791
}

Semantic roles & 50–950 ramp

primary

#37648B

secondary

#B18C6D

accent

#8F55D3

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #37648B

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

Preview Lab → · Contrast checker → · Palette generator →