#278C9D#278C9D

#278C9D is a mid, moderate teal. Relative luminance 0.216; OKLCH L 59.1% C 0.092 H 211.5°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#278C9D
RGB	rgb(39, 140, 157)
HSL	hsl(189, 60%, 38%)
HSV	hsv(189, 75%, 62%)
CMYK	cmyk(75.2%, 10.8%, 0%, 38.4%)
CIE-LAB	lab(53.62, -22.31, -17.23)
CIE-LCH	lch(53.62, 28.19, 217.69°)
OKLab	oklab(59.14% -0.0785 -0.048)
OKLCH	oklch(59.14% 0.092 211.5)
XYZ	xyz(16.2980, 21.6199, 35.2058)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C9D #9D3827

analogous

#279D73 #278C9D #27519D

triadic

#278C9D #9D278C #8C9D27

tetradic

#278C9D #73279D #9D3827 #519D27

square

#278C9D #73279D #9D3827 #519D27

split-complementary

#278C9D #9D2751 #9D7327

monochromatic

#0F353B #1B606C #278C9D #35B7CD #66C8D9

Accessibility & contrast

On white

3.94

#278C9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#278C9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C9D

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C9D	#FFFFFF	#000000	##000000
##278C9D	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E879E

Deuteranopia (green-blind)

#6E7B9D

Tritanopia (blue-blind)

#009391

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278c9d;
/* rgb */ color: rgb(39, 140, 157);
/* oklch */ color: oklch(59.1% 0.092 211.5);

Tailwind

colors: {
  custom: {
    50: '#74aeba',
    500: '#278c9d',
    950: '#000000',
  },
}

SCSS

$custom: #278c9d;
$custom-light: #74aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#278c9d",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 157
  },
  "hsl": {
    "h": 188.644,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59144,
    "c": 0.09197,
    "h": 211.5
  },
  "luminance": 0.21622
}

Semantic roles & 50–950 ramp

primary

#278C9D

secondary

#BF6F61

accent

#5B44E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278C9D

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

Preview Lab → · Contrast checker → · Palette generator →