#37669E#37669E

#37669E is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.4% C 0.104 H 254.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#37669E
RGB	rgb(55, 102, 158)
HSL	hsl(213, 48%, 42%)
HSV	hsv(213, 65%, 62%)
CMYK	cmyk(65.2%, 35.4%, 0%, 38%)
CIE-LAB	lab(42.43, 2.37, -35.14)
CIE-LCH	lch(42.43, 35.22, 273.87°)
OKLab	oklab(50.4% -0.0285 -0.0996)
OKLCH	oklch(50.4% 0.104 254)
XYZ	xyz(12.4962, 12.7824, 34.1498)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37669E #9E6F37

analogous

#379A9E #37669E #3B379E

triadic

#37669E #9E3766 #669E37

tetradic

#37669E #9E379A #9E6F37 #379E3B

square

#37669E #9E379A #9E6F37 #379E3B

split-complementary

#37669E #9E3B37 #9A9E37

monochromatic

#172B43 #274971 #37669E #5084C2 #7DA4D2

Accessibility & contrast

On white

5.90

#37669E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#37669E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37669E

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37669E	#FFFFFF	#000000	##FFFFFF
##37669E	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6AA0

Deuteranopia (green-blind)

#3F609D

Tritanopia (blue-blind)

#00737A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #37669e;
/* rgb */ color: rgb(55, 102, 158);
/* oklch */ color: oklch(50.4% 0.104 254.0);

Tailwind

colors: {
  custom: {
    50: '#7891bb',
    500: '#37669e',
    950: '#000000',
  },
}

SCSS

$custom: #37669e;
$custom-light: #7891bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37669e",
  "rgb": {
    "r": 55,
    "g": 102,
    "b": 158
  },
  "hsl": {
    "h": 212.621,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50395,
    "c": 0.10358,
    "h": 254
  },
  "luminance": 0.12784
}

Semantic roles & 50–950 ramp

primary

#37669E

secondary

#BB9B76

accent

#9A50D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #37669E

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

Preview Lab → · Contrast checker → · Palette generator →