#37639A#37639A

#37639A is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.5% C 0.101 H 254.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#37639A
RGB	rgb(55, 99, 154)
HSL	hsl(213, 47%, 41%)
HSV	hsv(213, 64%, 60%)
CMYK	cmyk(64.3%, 35.7%, 0%, 39.6%)
CIE-LAB	lab(41.32, 2.82, -34.51)
CIE-LCH	lch(41.32, 34.63, 274.68°)
OKLab	oklab(49.46% -0.0263 -0.0978)
OKLCH	oklch(49.46% 0.101 254.9)
XYZ	xyz(11.8680, 12.0679, 32.2695)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37639A #9A6E37

analogous

#37949A #37639A #3C379A

triadic

#37639A #9A3763 #639A37

tetradic

#37639A #9A3794 #9A6E37 #379A3C

square

#37639A #9A3794 #9A6E37 #379A3C

split-complementary

#37639A #9A3C37 #949A37

monochromatic

#172940 #27466D #37639A #4E81C0 #7BA1D0

Accessibility & contrast

On white

6.15

#37639A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#37639A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37639A

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37639A	#FFFFFF	#000000	##FFFFFF
##37639A	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B679C

Deuteranopia (green-blind)

#3E5D99

Tritanopia (blue-blind)

#007077

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #37639a;
/* rgb */ color: rgb(55, 99, 154);
/* oklch */ color: oklch(49.5% 0.101 254.9);

Tailwind

colors: {
  custom: {
    50: '#788fb8',
    500: '#37639a',
    950: '#000000',
  },
}

SCSS

$custom: #37639a;
$custom-light: #788fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#37639a",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 154
  },
  "hsl": {
    "h": 213.333,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49459,
    "c": 0.10128,
    "h": 254.9
  },
  "luminance": 0.12069
}

Semantic roles & 50–950 ramp

primary

#37639A

secondary

#B99A74

accent

#9B51D7

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #37639A

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

Preview Lab → · Contrast checker → · Palette generator →