#37658F#37658F

#37658F is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.3% C 0.085 H 247.9°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#37658F
RGB	rgb(55, 101, 143)
HSL	hsl(209, 44%, 39%)
HSV	hsv(209, 62%, 56%)
CMYK	cmyk(61.5%, 29.4%, 0%, 43.9%)
CIE-LAB	lab(41.38, -2.29, -27.84)
CIE-LCH	lch(41.38, 27.94, 265.29°)
OKLab	oklab(49.32% -0.0319 -0.0784)
OKLCH	oklch(49.32% 0.085 247.9)
XYZ	xyz(11.1853, 12.1017, 27.7277)
Luminance	0.1210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37658F #8F6137

analogous

#378F8D #37658F #37398F

triadic

#37658F #8F3765 #658F37

tetradic

#37658F #8D378F #8F6137 #398F37

square

#37658F #8D378F #8F6137 #398F37

split-complementary

#37658F #8F3739 #8F8D37

monochromatic

#152737 #264663 #37658F #4A84B9 #76A2CA

Accessibility & contrast

On white

6.14

#37658F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#37658F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37658F

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37658F	#FFFFFF	#000000	##FFFFFF
##37658F	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536691

Deuteranopia (green-blind)

#475E8E

Tritanopia (blue-blind)

#006F74

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #37658f;
/* rgb */ color: rgb(55, 101, 143);
/* oklch */ color: oklch(49.3% 0.085 247.9);

Tailwind

colors: {
  custom: {
    50: '#7690b0',
    500: '#37658f',
    950: '#000000',
  },
}

SCSS

$custom: #37658f;
$custom-light: #7690b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37658f",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 143
  },
  "hsl": {
    "h": 208.636,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4932,
    "c": 0.08461,
    "h": 247.9
  },
  "luminance": 0.12103
}

Semantic roles & 50–950 ramp

primary

#37658F

secondary

#B38F6F

accent

#9154D4

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #37658F

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

Preview Lab → · Contrast checker → · Palette generator →