#37688D#37688D

#37688D is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 49.9% C 0.080 H 243.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#37688D
RGB	rgb(55, 104, 141)
HSL	hsl(206, 44%, 38%)
HSV	hsv(206, 61%, 55%)
CMYK	cmyk(61%, 26.2%, 0%, 44.7%)
CIE-LAB	lab(42.21, -4.81, -25.35)
CIE-LCH	lch(42.21, 25.80, 259.26°)
OKLab	oklab(49.94% -0.036 -0.0711)
OKLCH	oklch(49.94% 0.08 243.1)
XYZ	xyz(11.3318, 12.6349, 27.0357)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37688D #8D5C37

analogous

#378D87 #37688D #373D8D

triadic

#37688D #8D3768 #688D37

tetradic

#37688D #87378D #8D5C37 #3D8D37

square

#37688D #87378D #8D5C37 #3D8D37

split-complementary

#37688D #8D373D #8D8737

monochromatic

#152735 #264861 #37688D #4988B8 #75A5C9

Accessibility & contrast

On white

5.95

#37688D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#37688D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37688D

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37688D	#FFFFFF	#000000	##FFFFFF
##37688D	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58688F

Deuteranopia (green-blind)

#4C608C

Tritanopia (blue-blind)

#007175

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #37688d;
/* rgb */ color: rgb(55, 104, 141);
/* oklch */ color: oklch(49.9% 0.080 243.1);

Tailwind

colors: {
  custom: {
    50: '#7693ae',
    500: '#37688d',
    950: '#000000',
  },
}

SCSS

$custom: #37688d;
$custom-light: #7693ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37688d",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 141
  },
  "hsl": {
    "h": 205.814,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49944,
    "c": 0.07975,
    "h": 243.1
  },
  "luminance": 0.12636
}

Semantic roles & 50–950 ramp

primary

#37688D

secondary

#B28B6E

accent

#8B54D4

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #37688D

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

Preview Lab → · Contrast checker → · Palette generator →