#37669D#37669D

#37669D is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 50.3% C 0.102 H 253.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#37669D
RGB	rgb(55, 102, 157)
HSL	hsl(212, 48%, 42%)
HSV	hsv(212, 65%, 62%)
CMYK	cmyk(65%, 35%, 0%, 38.4%)
CIE-LAB	lab(42.38, 2.02, -34.63)
CIE-LCH	lch(42.38, 34.69, 273.33°)
OKLab	oklab(50.34% -0.0288 -0.0981)
OKLCH	oklch(50.34% 0.102 253.7)
XYZ	xyz(12.4105, 12.7481, 33.6983)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37669D #9D6E37

analogous

#37999D #37669D #3B379D

triadic

#37669D #9D3766 #669D37

tetradic

#37669D #9D3799 #9D6E37 #379D3B

square

#37669D #9D3799 #9D6E37 #379D3B

split-complementary

#37669D #9D3B37 #999D37

monochromatic

#172B42 #274970 #37669D #5084C2 #7DA4D1

Accessibility & contrast

On white

5.92

#37669D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#37669D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37669D

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37669D	#FFFFFF	#000000	##FFFFFF
##37669D	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E699F

Deuteranopia (green-blind)

#40609C

Tritanopia (blue-blind)

#00737A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #37669d;
/* rgb */ color: rgb(55, 102, 157);
/* oklch */ color: oklch(50.3% 0.102 253.7);

Tailwind

colors: {
  custom: {
    50: '#7891ba',
    500: '#37669d',
    950: '#000000',
  },
}

SCSS

$custom: #37669d;
$custom-light: #7891ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37669d",
  "rgb": {
    "r": 55,
    "g": 102,
    "b": 157
  },
  "hsl": {
    "h": 212.353,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50337,
    "c": 0.10223,
    "h": 253.7
  },
  "luminance": 0.12749
}

Semantic roles & 50–950 ramp

primary

#37669D

secondary

#BB9B75

accent

#9950D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #37669D

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

Preview Lab → · Contrast checker → · Palette generator →