#278F5B#278F5B

#278F5B is a mid, vivid teal. Relative luminance 0.208; OKLCH L 57.8% C 0.123 H 156.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#278F5B
RGB	rgb(39, 143, 91)
HSL	hsl(150, 57%, 36%)
HSV	hsv(150, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 36.4%, 43.9%)
CIE-LAB	lab(52.76, -41.81, 19.44)
CIE-LCH	lch(52.76, 46.11, 155.07°)
OKLab	oklab(57.84% -0.1132 0.0488)
OKLCH	oklch(57.84% 0.123 156.7)
XYZ	xyz(12.5463, 20.8302, 13.2549)
Luminance	0.2083 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F5B #8F275B

analogous

#278F27 #278F5B #278F8F

triadic

#278F5B #5B278F #8F5B27

tetradic

#278F5B #27278F #8F275B #8F8F27

square

#278F5B #27278F #8F275B #8F8F27

split-complementary

#278F5B #8F278F #8F2727

monochromatic

#0D2F1E #1A5F3C #278F5B #34BF7A #5DD398

Accessibility & contrast

On white

4.06

#278F5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#278F5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F5B

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F5B	#FFFFFF	#000000	##000000
##278F5B	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8358

Deuteranopia (green-blind)

#817A5E

Tritanopia (blue-blind)

#008E82

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278f5b;
/* rgb */ color: rgb(39, 143, 91);
/* oklch */ color: oklch(57.8% 0.123 156.7);

Tailwind

colors: {
  custom: {
    50: '#70b189',
    500: '#278f5b',
    950: '#000000',
  },
}

SCSS

$custom: #278f5b;
$custom-light: #70b189;
$custom-dark: #000000;

JSON

{
  "hex": "#278f5b",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 91
  },
  "hsl": {
    "h": 150,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57841,
    "c": 0.12329,
    "h": 156.7
  },
  "luminance": 0.20832
}

Semantic roles & 50–950 ramp

primary

#278F5B

secondary

#B85A89

accent

#4794E0

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#08110B

muted

#7B807C

Preview Lab

Preview with #278F5B

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

Preview Lab → · Contrast checker → · Palette generator →