#37818D#37818D

#37818D is a mid, moderate teal. Relative luminance 0.184; OKLCH L 56.2% C 0.075 H 209.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#37818D
RGB	rgb(55, 129, 141)
HSL	hsl(188, 44%, 38%)
HSV	hsv(188, 61%, 55%)
CMYK	cmyk(61%, 8.5%, 0%, 44.7%)
CIE-LAB	lab(50.02, -19.06, -13.36)
CIE-LCH	lch(50.02, 23.27, 215.03°)
OKLab	oklab(56.17% -0.065 -0.037)
OKLCH	oklch(56.17% 0.075 209.7)
XYZ	xyz(14.2315, 18.4344, 28.0023)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37818D #8D4337

analogous

#378D6E #37818D #37568D

triadic

#37818D #8D3781 #818D37

tetradic

#37818D #6E378D #8D4337 #568D37

square

#37818D #6E378D #8D4337 #568D37

split-complementary

#37818D #8D3756 #8D6E37

monochromatic

#153035 #265961 #37818D #49A9B8 #75BEC9

Accessibility & contrast

On white

4.48

#37818D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#37818D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37818D

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37818D	#FFFFFF	#000000	##000000
##37818D	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767D8E

Deuteranopia (green-blind)

#69738D

Tritanopia (blue-blind)

#008785

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #37818d;
/* rgb */ color: rgb(55, 129, 141);
/* oklch */ color: oklch(56.2% 0.075 209.7);

Tailwind

colors: {
  custom: {
    50: '#77a5ae',
    500: '#37818d',
    950: '#000000',
  },
}

SCSS

$custom: #37818d;
$custom-light: #77a5ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37818d",
  "rgb": {
    "r": 55,
    "g": 129,
    "b": 141
  },
  "hsl": {
    "h": 188.372,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.56174,
    "c": 0.07479,
    "h": 209.7
  },
  "luminance": 0.18436
}

Semantic roles & 50–950 ramp

primary

#37818D

secondary

#B2776E

accent

#6654D4

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #37818D

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

Preview Lab → · Contrast checker → · Palette generator →