#278C9F#278C9F

#278C9F is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.2% C 0.093 H 213.3°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#278C9F
RGB	rgb(39, 140, 159)
HSL	hsl(190, 61%, 39%)
HSV	hsv(190, 75%, 62%)
CMYK	cmyk(75.5%, 11.9%, 0%, 37.6%)
CIE-LAB	lab(53.70, -21.66, -18.28)
CIE-LCH	lch(53.70, 28.34, 220.16°)
OKLab	oklab(59.23% -0.0776 -0.0509)
OKLCH	oklch(59.23% 0.093 213.3)
XYZ	xyz(16.4701, 21.6887, 36.1125)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C9F #9F3A27

analogous

#279F76 #278C9F #27509F

triadic

#278C9F #9F278C #8C9F27

tetradic

#278C9F #76279F #9F3A27 #509F27

square

#278C9F #76279F #9F3A27 #509F27

split-complementary

#278C9F #9F2750 #9F7627

monochromatic

#0F353D #1B616E #278C9F #36B6CE #67C7DA

Accessibility & contrast

On white

3.93

#278C9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#278C9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C9F

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C9F	#FFFFFF	#000000	##000000
##278C9F	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E87A0

Deuteranopia (green-blind)

#6D7B9F

Tritanopia (blue-blind)

#009392

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278c9f;
/* rgb */ color: rgb(39, 140, 159);
/* oklch */ color: oklch(59.2% 0.093 213.3);

Tailwind

colors: {
  custom: {
    50: '#74aebb',
    500: '#278c9f',
    950: '#000000',
  },
}

SCSS

$custom: #278c9f;
$custom-light: #74aebb;
$custom-dark: #000000;

JSON

{
  "hex": "#278c9f",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 159
  },
  "hsl": {
    "h": 189.5,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59228,
    "c": 0.09283,
    "h": 213.3
  },
  "luminance": 0.21691
}

Semantic roles & 50–950 ramp

primary

#278C9F

secondary

#C07162

accent

#5D44E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278C9F

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

Preview Lab → · Contrast checker → · Palette generator →