#278E8B#278E8B

#278E8B is a mid, moderate teal. Relative luminance 0.216; OKLCH L 59.0% C 0.091 H 192.1°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#278E8B
RGB	rgb(39, 142, 139)
HSL	hsl(178, 57%, 35%)
HSV	hsv(178, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 2.1%, 44.3%)
CIE-LAB	lab(53.64, -28.98, -6.80)
CIE-LCH	lch(53.64, 29.77, 193.21°)
OKLab	oklab(58.96% -0.0886 -0.019)
OKLCH	oklch(58.96% 0.091 192.1)
XYZ	xyz(15.1678, 21.6396, 27.7986)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E8B #8E272A

analogous

#278E57 #278E8B #275E8E

triadic

#278E8B #8B278E #8E8B27

tetradic

#278E8B #57278E #8E272A #5E8E27

square

#278E8B #57278E #8E272A #5E8E27

split-complementary

#278E8B #8E275E #8E5727

monochromatic

#0D2E2D #1A5E5C #278E8B #34BEBA #5DD2CF

Accessibility & contrast

On white

3.94

#278E8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#278E8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E8B

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E8B	#FFFFFF	#000000	##000000
##278E8B	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85878B

Deuteranopia (green-blind)

#767C8C

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278e8b;
/* rgb */ color: rgb(39, 142, 139);
/* oklch */ color: oklch(59.0% 0.091 192.1);

Tailwind

colors: {
  custom: {
    50: '#72afac',
    500: '#278e8b',
    950: '#000000',
  },
}

SCSS

$custom: #278e8b;
$custom-light: #72afac;
$custom-dark: #000000;

JSON

{
  "hex": "#278e8b",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 139
  },
  "hsl": {
    "h": 178.252,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58958,
    "c": 0.09059,
    "h": 192.1
  },
  "luminance": 0.21641
}

Semantic roles & 50–950 ramp

primary

#278E8B

secondary

#B8595C

accent

#484CE0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278E8B

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

Preview Lab → · Contrast checker → · Palette generator →