#37719D#37719D

#37719D is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.0% C 0.092 H 243.8°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#37719D
RGB	rgb(55, 113, 157)
HSL	hsl(206, 48%, 42%)
HSV	hsv(206, 65%, 62%)
CMYK	cmyk(65%, 28%, 0%, 38.4%)
CIE-LAB	lab(45.71, -4.70, -29.40)
CIE-LCH	lch(45.71, 29.77, 260.91°)
OKLab	oklab(52.95% -0.0408 -0.0828)
OKLCH	oklch(52.95% 0.092 243.8)
XYZ	xyz(13.5642, 15.0554, 34.0829)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37719D #9D6337

analogous

#379D96 #37719D #373E9D

triadic

#37719D #9D3771 #719D37

tetradic

#37719D #96379D #9D6337 #3E9D37

square

#37719D #96379D #9D6337 #3E9D37

split-complementary

#37719D #9D373E #9D9637

monochromatic

#173042 #275070 #37719D #5090C2 #7DADD1

Accessibility & contrast

On white

5.24

#37719D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#37719D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37719D

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37719D	#FFFFFF	#000000	##FFFFFF
##37719D	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D729F

Deuteranopia (green-blind)

#50689C

Tritanopia (blue-blind)

#007C80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #37719d;
/* rgb */ color: rgb(55, 113, 157);
/* oklch */ color: oklch(53.0% 0.092 243.8);

Tailwind

colors: {
  custom: {
    50: '#7899ba',
    500: '#37719d',
    950: '#000000',
  },
}

SCSS

$custom: #37719d;
$custom-light: #7899ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37719d",
  "rgb": {
    "r": 55,
    "g": 113,
    "b": 157
  },
  "hsl": {
    "h": 205.882,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52954,
    "c": 0.09231,
    "h": 243.8
  },
  "luminance": 0.15057
}

Semantic roles & 50–950 ramp

primary

#37719D

secondary

#BB9375

accent

#8B50D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #37719D

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

Preview Lab → · Contrast checker → · Palette generator →