#278F8B#278F8B

#278F8B is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.2% C 0.091 H 191.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#278F8B
RGB	rgb(39, 143, 139)
HSL	hsl(178, 57%, 36%)
HSV	hsv(178, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 2.8%, 43.9%)
CIE-LAB	lab(53.96, -29.47, -6.33)
CIE-LCH	lch(53.96, 30.14, 192.12°)
OKLab	oklab(59.22% -0.0896 -0.0177)
OKLCH	oklch(59.22% 0.091 191.2)
XYZ	xyz(15.3172, 21.9385, 27.8484)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F8B #8F272B

analogous

#278F57 #278F8B #275F8F

triadic

#278F8B #8B278F #8F8B27

tetradic

#278F8B #57278F #8F272B #5F8F27

square

#278F8B #57278F #8F272B #5F8F27

split-complementary

#278F8B #8F275F #8F5727

monochromatic

#0D2F2E #1A5F5C #278F8B #34BFBA #5DD3CE

Accessibility & contrast

On white

3.90

#278F8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#278F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F8B

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F8B	#FFFFFF	#000000	##000000
##278F8B	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878B

Deuteranopia (green-blind)

#777C8C

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278f8b;
/* rgb */ color: rgb(39, 143, 139);
/* oklch */ color: oklch(59.2% 0.091 191.2);

Tailwind

colors: {
  custom: {
    50: '#72b0ac',
    500: '#278f8b',
    950: '#000000',
  },
}

SCSS

$custom: #278f8b;
$custom-light: #72b0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#278f8b",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 139
  },
  "hsl": {
    "h": 177.692,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59218,
    "c": 0.09136,
    "h": 191.2
  },
  "luminance": 0.2194
}

Semantic roles & 50–950 ramp

primary

#278F8B

secondary

#B85A5D

accent

#474DE0

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278F8B

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

Preview Lab → · Contrast checker → · Palette generator →