#278D9D#278D9D

#278D9D is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.4% C 0.092 H 210.4°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#278D9D
RGB	rgb(39, 141, 157)
HSL	hsl(188, 60%, 38%)
HSV	hsv(188, 75%, 62%)
CMYK	cmyk(75.2%, 10.2%, 0%, 38.4%)
CIE-LAB	lab(53.94, -22.83, -16.76)
CIE-LCH	lch(53.94, 28.32, 216.28°)
OKLab	oklab(59.4% -0.0795 -0.0466)
OKLCH	oklch(59.4% 0.092 210.4)
XYZ	xyz(16.4448, 21.9134, 35.2548)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D9D #9D3727

analogous

#279D72 #278D9D #27529D

triadic

#278D9D #9D278D #8D9D27

tetradic

#278D9D #72279D #9D3727 #529D27

square

#278D9D #72279D #9D3727 #529D27

split-complementary

#278D9D #9D2752 #9D7227

monochromatic

#0F353B #1B616C #278D9D #35B8CD #66C9D9

Accessibility & contrast

On white

3.90

#278D9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#278D9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D9D

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D9D	#FFFFFF	#000000	##000000
##278D9D	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80889E

Deuteranopia (green-blind)

#6F7C9D

Tritanopia (blue-blind)

#009492

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278d9d;
/* rgb */ color: rgb(39, 141, 157);
/* oklch */ color: oklch(59.4% 0.092 210.4);

Tailwind

colors: {
  custom: {
    50: '#74aeba',
    500: '#278d9d',
    950: '#000000',
  },
}

SCSS

$custom: #278d9d;
$custom-light: #74aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#278d9d",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 157
  },
  "hsl": {
    "h": 188.136,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59397,
    "c": 0.09216,
    "h": 210.4
  },
  "luminance": 0.21915
}

Semantic roles & 50–950 ramp

primary

#278D9D

secondary

#BF6E61

accent

#5A44E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278D9D

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

Preview Lab → · Contrast checker → · Palette generator →