#278F9D#278F9D

#278F9D is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.9% C 0.093 H 208.3°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#278F9D
RGB	rgb(39, 143, 157)
HSL	hsl(187, 60%, 38%)
HSV	hsv(187, 75%, 62%)
CMYK	cmyk(75.2%, 8.9%, 0%, 38.4%)
CIE-LAB	lab(54.56, -23.87, -15.80)
CIE-LCH	lch(54.56, 28.63, 213.51°)
OKLab	oklab(59.9% -0.0815 -0.044)
OKLCH	oklch(59.9% 0.093 208.3)
XYZ	xyz(16.7423, 22.5086, 35.3540)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F9D #9D3527

analogous

#279D70 #278F9D #27549D

triadic

#278F9D #9D278F #8F9D27

tetradic

#278F9D #70279D #9D3527 #549D27

square

#278F9D #70279D #9D3527 #549D27

split-complementary

#278F9D #9D2754 #9D7027

monochromatic

#0F363B #1B626C #278F9D #35BBCD #66CBD9

Accessibility & contrast

On white

3.82

#278F9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#278F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F9D

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F9D	#FFFFFF	#000000	##000000
##278F9D	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82899E

Deuteranopia (green-blind)

#727D9D

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278f9d;
/* rgb */ color: rgb(39, 143, 157);
/* oklch */ color: oklch(59.9% 0.093 208.3);

Tailwind

colors: {
  custom: {
    50: '#74b0ba',
    500: '#278f9d',
    950: '#000000',
  },
}

SCSS

$custom: #278f9d;
$custom-light: #74b0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#278f9d",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 157
  },
  "hsl": {
    "h": 187.119,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59904,
    "c": 0.09263,
    "h": 208.3
  },
  "luminance": 0.22511
}

Semantic roles & 50–950 ramp

primary

#278F9D

secondary

#BF6C61

accent

#5744E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278F9D

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

Preview Lab → · Contrast checker → · Palette generator →