#278C8E#278C8E

#278C8E is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.6% C 0.089 H 197.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#278C8E
RGB	rgb(39, 140, 142)
HSL	hsl(181, 57%, 35%)
HSV	hsv(181, 73%, 56%)
CMYK	cmyk(72.5%, 1.4%, 0%, 44.3%)
CIE-LAB	lab(53.10, -27.08, -9.35)
CIE-LCH	lch(53.10, 28.65, 199.05°)
OKLab	oklab(58.55% -0.0851 -0.026)
OKLCH	oklch(58.55% 0.089 197)
XYZ	xyz(15.0951, 21.1387, 28.8706)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C8E #8E2927

analogous

#278E5C #278C8E #27588E

triadic

#278C8E #8E278C #8C8E27

tetradic

#278C8E #5C278E #8E2927 #588E27

square

#278C8E #5C278E #8E2927 #588E27

split-complementary

#278C8E #8E2758 #8E5C27

monochromatic

#0D2D2E #1A5D5E #278C8E #34BBBE #5DD0D2

Accessibility & contrast

On white

4.02

#278C8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#278C8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C8E

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C8E	#FFFFFF	#000000	##000000
##278C8E	1.00	4.02	5.23	5.23
#FFFFFF	4.02	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)

#82858E

Deuteranopia (green-blind)

#737A8F

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #278c8e;
/* rgb */ color: rgb(39, 140, 142);
/* oklch */ color: oklch(58.6% 0.089 197.0);

Tailwind

colors: {
  custom: {
    50: '#72aeaf',
    500: '#278c8e',
    950: '#000000',
  },
}

SCSS

$custom: #278c8e;
$custom-light: #72aeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#278c8e",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 142
  },
  "hsl": {
    "h": 181.165,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58551,
    "c": 0.08895,
    "h": 197
  },
  "luminance": 0.2114
}

Semantic roles & 50–950 ramp

primary

#278C8E

secondary

#B85B59

accent

#4B48E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278C8E

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

Preview Lab → · Contrast checker → · Palette generator →