#37679B#37679B

#37679B is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.5% C 0.099 H 252.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#37679B
RGB	rgb(55, 103, 155)
HSL	hsl(211, 48%, 41%)
HSV	hsv(211, 65%, 61%)
CMYK	cmyk(64.5%, 33.5%, 0%, 39.2%)
CIE-LAB	lab(42.58, 0.68, -33.13)
CIE-LCH	lch(42.58, 33.13, 271.18°)
OKLab	oklab(50.46% -0.0304 -0.0937)
OKLCH	oklch(50.46% 0.099 252)
XYZ	xyz(12.3400, 12.8781, 32.8394)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37679B #9B6B37

analogous

#37999B #37679B #39379B

triadic

#37679B #9B3767 #679B37

tetradic

#37679B #9B3799 #9B6B37 #379B39

square

#37679B #9B3799 #9B6B37 #379B39

split-complementary

#37679B #9B3937 #999B37

monochromatic

#172B41 #27496E #37679B #4F85C0 #7CA5D0

Accessibility & contrast

On white

5.87

#37679B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#37679B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37679B

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37679B	#FFFFFF	#000000	##FFFFFF
##37679B	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516A9D

Deuteranopia (green-blind)

#43609A

Tritanopia (blue-blind)

#00737A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #37679b;
/* rgb */ color: rgb(55, 103, 155);
/* oklch */ color: oklch(50.5% 0.099 252.0);

Tailwind

colors: {
  custom: {
    50: '#7892b9',
    500: '#37679b',
    950: '#000000',
  },
}

SCSS

$custom: #37679b;
$custom-light: #7892b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37679b",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 155
  },
  "hsl": {
    "h": 211.2,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50459,
    "c": 0.09854,
    "h": 252
  },
  "luminance": 0.12879
}

Semantic roles & 50–950 ramp

primary

#37679B

secondary

#BA9874

accent

#9751D7

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #37679B

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

Preview Lab → · Contrast checker → · Palette generator →