#37819F#37819F

#37819F is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.0% C 0.086 H 227.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#37819F
RGB	rgb(55, 129, 159)
HSL	hsl(197, 49%, 42%)
HSV	hsv(197, 65%, 62%)
CMYK	cmyk(65.4%, 18.9%, 0%, 37.6%)
CIE-LAB	lab(50.70, -13.29, -22.82)
CIE-LCH	lch(50.70, 26.41, 239.80°)
OKLab	oklab(56.95% -0.0576 -0.0638)
OKLCH	oklch(56.95% 0.086 227.9)
XYZ	xyz(15.6813, 19.0143, 35.6379)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37819F #9F5537

analogous

#379F89 #37819F #374D9F

triadic

#37819F #9F3781 #819F37

tetradic

#37819F #89379F #9F5537 #4D9F37

square

#37819F #89379F #9F5537 #4D9F37

split-complementary

#37819F #9F374D #9F8937

monochromatic

#183744 #275C72 #37819F #51A2C3 #7EBAD2

Accessibility & contrast

On white

4.37

#37819F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#37819F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37819F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37819F	#FFFFFF	#000000	##000000
##37819F	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717FA1

Deuteranopia (green-blind)

#63749F

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #37819f;
/* rgb */ color: rgb(55, 129, 159);
/* oklch */ color: oklch(57.0% 0.086 227.9);

Tailwind

colors: {
  custom: {
    50: '#79a5bb',
    500: '#37819f',
    950: '#000000',
  },
}

SCSS

$custom: #37819f;
$custom-light: #79a5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37819f",
  "rgb": {
    "r": 55,
    "g": 129,
    "b": 159
  },
  "hsl": {
    "h": 197.308,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5695,
    "c": 0.08597,
    "h": 227.9
  },
  "luminance": 0.19016
}

Semantic roles & 50–950 ramp

primary

#37819F

secondary

#BC8A76

accent

#7750D8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #37819F

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

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