#278E8A#278E8A

#278E8A is a mid, moderate teal. Relative luminance 0.216; OKLCH L 58.9% C 0.091 H 191.1°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#278E8A
RGB	rgb(39, 142, 138)
HSL	hsl(178, 57%, 35%)
HSV	hsv(178, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 2.8%, 44.3%)
CIE-LAB	lab(53.61, -29.28, -6.27)
CIE-LCH	lch(53.61, 29.94, 192.09°)
OKLab	oklab(58.92% -0.089 -0.0175)
OKLCH	oklch(58.92% 0.091 191.1)
XYZ	xyz(15.0950, 21.6105, 27.4155)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E8A #8E272B

analogous

#278E56 #278E8A #275E8E

triadic

#278E8A #8A278E #8E8A27

tetradic

#278E8A #56278E #8E272B #5E8E27

square

#278E8A #56278E #8E272B #5E8E27

split-complementary

#278E8A #8E275E #8E5627

monochromatic

#0D2E2D #1A5E5B #278E8A #34BEB9 #5DD2CE

Accessibility & contrast

On white

3.95

#278E8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#278E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E8A

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E8A	#FFFFFF	#000000	##000000
##278E8A	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85868A

Deuteranopia (green-blind)

#767B8B

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278e8a;
/* rgb */ color: rgb(39, 142, 138);
/* oklch */ color: oklch(58.9% 0.091 191.1);

Tailwind

colors: {
  custom: {
    50: '#72afac',
    500: '#278e8a',
    950: '#000000',
  },
}

SCSS

$custom: #278e8a;
$custom-light: #72afac;
$custom-dark: #000000;

JSON

{
  "hex": "#278e8a",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 138
  },
  "hsl": {
    "h": 177.67,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58922,
    "c": 0.09075,
    "h": 191.1
  },
  "luminance": 0.21612
}

Semantic roles & 50–950 ramp

primary

#278E8A

secondary

#B8595D

accent

#484EE0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278E8A

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

Preview Lab → · Contrast checker → · Palette generator →