#278C8F#278C8F

#278C8F is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.6% C 0.089 H 198.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#278C8F
RGB	rgb(39, 140, 143)
HSL	hsl(182, 57%, 36%)
HSV	hsv(182, 73%, 56%)
CMYK	cmyk(72.7%, 2.1%, 0%, 43.9%)
CIE-LAB	lab(53.13, -26.77, -9.88)
CIE-LCH	lch(53.13, 28.53, 200.25°)
OKLab	oklab(58.59% -0.0846 -0.0274)
OKLCH	oklch(58.59% 0.089 198)
XYZ	xyz(15.1705, 21.1689, 29.2677)
Luminance	0.2117 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C8F #8F2A27

analogous

#278F5E #278C8F #27588F

triadic

#278C8F #8F278C #8C8F27

tetradic

#278C8F #5E278F #8F2A27 #588F27

square

#278C8F #5E278F #8F2A27 #588F27

split-complementary

#278C8F #8F2758 #8F5E27

monochromatic

#0D2E2F #1A5D5F #278C8F #34BBBF #5DD0D3

Accessibility & contrast

On white

4.01

#278C8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#278C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C8F

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C8F	#FFFFFF	#000000	##000000
##278C8F	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858F

Deuteranopia (green-blind)

#737A90

Tritanopia (blue-blind)

#00918D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #278c8f;
/* rgb */ color: rgb(39, 140, 143);
/* oklch */ color: oklch(58.6% 0.089 198.0);

Tailwind

colors: {
  custom: {
    50: '#72aeaf',
    500: '#278c8f',
    950: '#000000',
  },
}

SCSS

$custom: #278c8f;
$custom-light: #72aeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#278c8f",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 143
  },
  "hsl": {
    "h": 181.731,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58588,
    "c": 0.08896,
    "h": 198
  },
  "luminance": 0.21171
}

Semantic roles & 50–950 ramp

primary

#278C8F

secondary

#B85C5A

accent

#4C47E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278C8F

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

Preview Lab → · Contrast checker → · Palette generator →