#278D9E#278D9E

#278D9E is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.4% C 0.093 H 211.3°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#278D9E
RGB	rgb(39, 141, 158)
HSL	hsl(189, 60%, 39%)
HSV	hsv(189, 75%, 62%)
CMYK	cmyk(75.3%, 10.8%, 0%, 38%)
CIE-LAB	lab(53.97, -22.51, -17.28)
CIE-LCH	lch(53.97, 28.37, 217.51°)
OKLab	oklab(59.44% -0.0791 -0.0481)
OKLCH	oklch(59.44% 0.093 211.3)
XYZ	xyz(16.5305, 21.9477, 35.7062)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D9E #9E3827

analogous

#279E73 #278D9E #27519E

triadic

#278D9E #9E278D #8D9E27

tetradic

#278D9E #73279E #9E3827 #519E27

square

#278D9E #73279E #9E3827 #519E27

split-complementary

#278D9E #9E2751 #9E7327

monochromatic

#0F353C #1B616D #278D9E #35B7CD #66C9D9

Accessibility & contrast

On white

3.90

#278D9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#278D9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D9E

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D9E	#FFFFFF	#000000	##000000
##278D9E	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)

#7F889F

Deuteranopia (green-blind)

#6F7C9E

Tritanopia (blue-blind)

#009492

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278d9e;
/* rgb */ color: rgb(39, 141, 158);
/* oklch */ color: oklch(59.4% 0.093 211.3);

Tailwind

colors: {
  custom: {
    50: '#74aeba',
    500: '#278d9e',
    950: '#000000',
  },
}

SCSS

$custom: #278d9e;
$custom-light: #74aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#278d9e",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 158
  },
  "hsl": {
    "h": 188.571,
    "s": 60.406,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59439,
    "c": 0.09255,
    "h": 211.3
  },
  "luminance": 0.2195
}

Semantic roles & 50–950 ramp

primary

#278D9E

secondary

#BF6F62

accent

#5B44E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278D9E

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

Preview Lab → · Contrast checker → · Palette generator →