#37658C#37658C

#37658C is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.2% C 0.081 H 246.0°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#37658C
RGB	rgb(55, 101, 140)
HSL	hsl(208, 44%, 38%)
HSV	hsv(208, 61%, 55%)
CMYK	cmyk(60.7%, 27.9%, 0%, 45.1%)
CIE-LAB	lab(41.24, -3.33, -26.26)
CIE-LCH	lch(41.24, 26.47, 262.78°)
OKLab	oklab(49.16% -0.0328 -0.0738)
OKLCH	oklch(49.16% 0.081 246)
XYZ	xyz(10.9611, 12.0120, 26.5468)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37658C #8C5E37

analogous

#378C88 #37658C #373A8C

triadic

#37658C #8C3765 #658C37

tetradic

#37658C #88378C #8C5E37 #3A8C37

square

#37658C #88378C #8C5E37 #3A8C37

split-complementary

#37658C #8C373A #8C8837

monochromatic

#142634 #264560 #37658C #4985B7 #75A2C9

Accessibility & contrast

On white

6.17

#37658C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#37658C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37658C

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37658C	#FFFFFF	#000000	##FFFFFF
##37658C	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54668E

Deuteranopia (green-blind)

#495D8B

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #37658c;
/* rgb */ color: rgb(55, 101, 140);
/* oklch */ color: oklch(49.2% 0.081 246.0);

Tailwind

colors: {
  custom: {
    50: '#7590ad',
    500: '#37658c',
    950: '#000000',
  },
}

SCSS

$custom: #37658c;
$custom-light: #7590ad;
$custom-dark: #000000;

JSON

{
  "hex": "#37658c",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 140
  },
  "hsl": {
    "h": 207.529,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49161,
    "c": 0.08079,
    "h": 246
  },
  "luminance": 0.12013
}

Semantic roles & 50–950 ramp

primary

#37658C

secondary

#B18D6D

accent

#8F54D3

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #37658C

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

Preview Lab → · Contrast checker → · Palette generator →