#37719E#37719E

#37719E is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.0% C 0.093 H 244.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#37719E
RGB	rgb(55, 113, 158)
HSL	hsl(206, 48%, 42%)
HSV	hsv(206, 65%, 62%)
CMYK	cmyk(65.2%, 28.5%, 0%, 38%)
CIE-LAB	lab(45.76, -4.35, -29.92)
CIE-LCH	lch(45.76, 30.23, 261.72°)
OKLab	oklab(53.01% -0.0405 -0.0843)
OKLCH	oklch(53.01% 0.094 244.4)
XYZ	xyz(13.6499, 15.0897, 34.5344)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37719E #9E6437

analogous

#379E98 #37719E #373D9E

triadic

#37719E #9E3771 #719E37

tetradic

#37719E #98379E #9E6437 #3D9E37

square

#37719E #98379E #9E6437 #3D9E37

split-complementary

#37719E #9E373D #9E9837

monochromatic

#173043 #275171 #37719E #5090C2 #7DADD2

Accessibility & contrast

On white

5.23

#37719E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#37719E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37719E

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37719E	#FFFFFF	#000000	##FFFFFF
##37719E	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D72A0

Deuteranopia (green-blind)

#4F689D

Tritanopia (blue-blind)

#007C81

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #37719e;
/* rgb */ color: rgb(55, 113, 158);
/* oklch */ color: oklch(53.0% 0.093 244.4);

Tailwind

colors: {
  custom: {
    50: '#7899bb',
    500: '#37719e',
    950: '#000000',
  },
}

SCSS

$custom: #37719e;
$custom-light: #7899bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37719e",
  "rgb": {
    "r": 55,
    "g": 113,
    "b": 158
  },
  "hsl": {
    "h": 206.214,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.53007,
    "c": 0.0935,
    "h": 244.4
  },
  "luminance": 0.15091
}

Semantic roles & 50–950 ramp

primary

#37719E

secondary

#BB9476

accent

#8B50D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #37719E

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

Preview Lab → · Contrast checker → · Palette generator →