#37819A#37819A

#37819A is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.7% C 0.082 H 223.4°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#37819A
RGB	rgb(55, 129, 154)
HSL	hsl(195, 47%, 41%)
HSV	hsv(195, 64%, 60%)
CMYK	cmyk(64.3%, 16.2%, 0%, 39.6%)
CIE-LAB	lab(50.50, -14.93, -20.22)
CIE-LCH	lch(50.50, 25.13, 233.56°)
OKLab	oklab(56.72% -0.0596 -0.0564)
OKLCH	oklch(56.72% 0.082 223.4)
XYZ	xyz(15.2562, 18.8443, 33.3989)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37819A #9A5037

analogous

#379A81 #37819A #374F9A

triadic

#37819A #9A3781 #819A37

tetradic

#37819A #81379A #9A5037 #4F9A37

square

#37819A #81379A #9A5037 #4F9A37

split-complementary

#37819A #9A374F #9A8137

monochromatic

#173540 #275B6D #37819A #4EA3C0 #7BBBD0

Accessibility & contrast

On white

4.40

#37819A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#37819A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37819A

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37819A	#FFFFFF	#000000	##000000
##37819A	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737E9B

Deuteranopia (green-blind)

#65749A

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #37819a;
/* rgb */ color: rgb(55, 129, 154);
/* oklch */ color: oklch(56.7% 0.082 223.4);

Tailwind

colors: {
  custom: {
    50: '#79a5b7',
    500: '#37819a',
    950: '#000000',
  },
}

SCSS

$custom: #37819a;
$custom-light: #79a5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#37819a",
  "rgb": {
    "r": 55,
    "g": 129,
    "b": 154
  },
  "hsl": {
    "h": 195.152,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56724,
    "c": 0.08202,
    "h": 223.4
  },
  "luminance": 0.18846
}

Semantic roles & 50–950 ramp

primary

#37819A

secondary

#B98574

accent

#7351D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #37819A

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

Preview Lab → · Contrast checker → · Palette generator →