#278C99#278C99

#278C99 is a mid, moderate teal. Relative luminance 0.215; OKLCH L 59.0% C 0.091 H 207.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#278C99
RGB	rgb(39, 140, 153)
HSL	hsl(187, 59%, 38%)
HSV	hsv(187, 75%, 60%)
CMYK	cmyk(74.5%, 8.5%, 0%, 40%)
CIE-LAB	lab(53.48, -23.61, -15.15)
CIE-LCH	lch(53.48, 28.05, 212.68°)
OKLab	oklab(58.98% -0.0802 -0.0421)
OKLCH	oklch(58.98% 0.091 207.7)
XYZ	xyz(15.9620, 21.4855, 33.4367)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C99 #993427

analogous

#27996D #278C99 #275399

triadic

#278C99 #99278C #8C9927

tetradic

#278C99 #6D2799 #993427 #539927

square

#278C99 #6D2799 #993427 #539927

split-complementary

#278C99 #992753 #996D27

monochromatic

#0E3337 #1B5F68 #278C99 #33B9CA #63CAD7

Accessibility & contrast

On white

3.96

#278C99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#278C99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C99

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C99	#FFFFFF	#000000	##000000
##278C99	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F869A

Deuteranopia (green-blind)

#707B99

Tritanopia (blue-blind)

#009290

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278c99;
/* rgb */ color: rgb(39, 140, 153);
/* oklch */ color: oklch(59.0% 0.091 207.7);

Tailwind

colors: {
  custom: {
    50: '#74aeb7',
    500: '#278c99',
    950: '#000000',
  },
}

SCSS

$custom: #278c99;
$custom-light: #74aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#278c99",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 153
  },
  "hsl": {
    "h": 186.842,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.58979,
    "c": 0.09057,
    "h": 207.7
  },
  "luminance": 0.21487
}

Semantic roles & 50–950 ramp

primary

#278C99

secondary

#BD6A5F

accent

#5745E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278C99

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

Preview Lab → · Contrast checker → · Palette generator →