#37978B#37978B

#37978B is a mid, moderate teal. Relative luminance 0.248; OKLCH L 61.7% C 0.091 H 183.7°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#37978B
RGB	rgb(55, 151, 139)
HSL	hsl(173, 47%, 40%)
HSV	hsv(173, 64%, 59%)
CMYK	cmyk(63.6%, 0%, 7.9%, 40.8%)
CIE-LAB	lab(56.89, -30.81, -1.96)
CIE-LCH	lch(56.89, 30.87, 183.65°)
OKLab	oklab(61.71% -0.0906 -0.0058)
OKLCH	oklch(61.71% 0.091 183.7)
XYZ	xyz(17.3002, 24.8077, 28.2977)
Luminance	0.2481 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37978B #973743

analogous

#37975B #37978B #377397

triadic

#37978B #8B3797 #978B37

tetradic

#37978B #5B3797 #973743 #739737

square

#37978B #5B3797 #973743 #739737

split-complementary

#37978B #973773 #975B37

monochromatic

#163D38 #276A62 #37978B #4DBEB0 #7ACFC4

Accessibility & contrast

On white

3.52

#37978B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#37978B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #37978B

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37978B	#FFFFFF	#000000	##000000
##37978B	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908F8B

Deuteranopia (green-blind)

#82848C

Tritanopia (blue-blind)

#009A93

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #37978b;
/* rgb */ color: rgb(55, 151, 139);
/* oklch */ color: oklch(61.7% 0.091 183.7);

Tailwind

colors: {
  custom: {
    50: '#7ab6ac',
    500: '#37978b',
    950: '#000000',
  },
}

SCSS

$custom: #37978b;
$custom-light: #7ab6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#37978b",
  "rgb": {
    "r": 55,
    "g": 151,
    "b": 139
  },
  "hsl": {
    "h": 172.5,
    "s": 46.602,
    "l": 40.392
  },
  "oklch": {
    "l": 0.61706,
    "c": 0.09078,
    "h": 183.7
  },
  "luminance": 0.2481
}

Semantic roles & 50–950 ramp

primary

#37978B

secondary

#B8727B

accent

#5262D6

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1110

muted

#7C807F

Preview Lab

Preview with #37978B

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

Preview Lab → · Contrast checker → · Palette generator →