#37688E#37688E

#37688E is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 50.0% C 0.081 H 243.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#37688E
RGB	rgb(55, 104, 142)
HSL	hsl(206, 44%, 39%)
HSV	hsv(206, 61%, 56%)
CMYK	cmyk(61.3%, 26.8%, 0%, 44.3%)
CIE-LAB	lab(42.25, -4.47, -25.88)
CIE-LCH	lch(42.25, 26.26, 260.21°)
OKLab	oklab(50% -0.0357 -0.0727)
OKLCH	oklch(50% 0.081 243.8)
XYZ	xyz(11.4065, 12.6648, 27.4294)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37688E #8E5D37

analogous

#378E88 #37688E #373C8E

triadic

#37688E #8E3768 #688E37

tetradic

#37688E #88378E #8E5D37 #3C8E37

square

#37688E #88378E #8E5D37 #3C8E37

split-complementary

#37688E #8E373C #8E8837

monochromatic

#152736 #264862 #37688E #4988B9 #76A5CA

Accessibility & contrast

On white

5.94

#37688E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#37688E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37688E

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37688E	#FFFFFF	#000000	##FFFFFF
##37688E	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576990

Deuteranopia (green-blind)

#4C608D

Tritanopia (blue-blind)

#007175

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #37688e;
/* rgb */ color: rgb(55, 104, 142);
/* oklch */ color: oklch(50.0% 0.081 243.8);

Tailwind

colors: {
  custom: {
    50: '#7693af',
    500: '#37688e',
    950: '#000000',
  },
}

SCSS

$custom: #37688e;
$custom-light: #7693af;
$custom-dark: #000000;

JSON

{
  "hex": "#37688e",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 142
  },
  "hsl": {
    "h": 206.207,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49995,
    "c": 0.08096,
    "h": 243.8
  },
  "luminance": 0.12666
}

Semantic roles & 50–950 ramp

primary

#37688E

secondary

#B38C6E

accent

#8C54D4

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #37688E

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

Preview Lab → · Contrast checker → · Palette generator →