#37729D#37729D

#37729D is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.2% C 0.092 H 242.8°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#37729D
RGB	rgb(55, 114, 157)
HSL	hsl(205, 48%, 42%)
HSV	hsv(205, 65%, 62%)
CMYK	cmyk(65%, 27.4%, 0%, 38.4%)
CIE-LAB	lab(46.02, -5.30, -28.92)
CIE-LCH	lch(46.02, 29.41, 259.62°)
OKLab	oklab(53.2% -0.0419 -0.0814)
OKLCH	oklch(53.2% 0.092 242.8)
XYZ	xyz(13.6764, 15.2798, 34.1203)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37729D #9D6237

analogous

#379D95 #37729D #373F9D

triadic

#37729D #9D3772 #729D37

tetradic

#37729D #95379D #9D6237 #3F9D37

square

#37729D #95379D #9D6237 #3F9D37

split-complementary

#37729D #9D373F #9D9537

monochromatic

#173042 #275170 #37729D #5092C2 #7DAED1

Accessibility & contrast

On white

5.18

#37729D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#37729D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37729D

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37729D	#FFFFFF	#000000	##FFFFFF
##37729D	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F739F

Deuteranopia (green-blind)

#51699C

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #37729d;
/* rgb */ color: rgb(55, 114, 157);
/* oklch */ color: oklch(53.2% 0.092 242.8);

Tailwind

colors: {
  custom: {
    50: '#789aba',
    500: '#37729d',
    950: '#000000',
  },
}

SCSS

$custom: #37729d;
$custom-light: #789aba;
$custom-dark: #000000;

JSON

{
  "hex": "#37729d",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 157
  },
  "hsl": {
    "h": 205.294,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53195,
    "c": 0.09156,
    "h": 242.8
  },
  "luminance": 0.15281
}

Semantic roles & 50–950 ramp

primary

#37729D

secondary

#BB9275

accent

#8950D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #37729D

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

Preview Lab → · Contrast checker → · Palette generator →