#278E99#278E99

#278E99 is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.5% C 0.091 H 205.6°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#278E99
RGB	rgb(39, 142, 153)
HSL	hsl(186, 59%, 38%)
HSV	hsv(186, 75%, 60%)
CMYK	cmyk(74.5%, 7.2%, 0%, 40%)
CIE-LAB	lab(54.11, -24.64, -14.19)
CIE-LCH	lch(54.11, 28.43, 209.94°)
OKLab	oklab(59.49% -0.0822 -0.0394)
OKLCH	oklch(59.49% 0.091 205.6)
XYZ	xyz(16.2569, 22.0753, 33.5350)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E99 #993227

analogous

#27996B #278E99 #275599

triadic

#278E99 #99278E #8E9927

tetradic

#278E99 #6B2799 #993227 #559927

square

#278E99 #6B2799 #993227 #559927

split-complementary

#278E99 #992755 #996B27

monochromatic

#0E3337 #1B6168 #278E99 #33BBCA #63CCD7

Accessibility & contrast

On white

3.88

#278E99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#278E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E99

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E99	#FFFFFF	#000000	##000000
##278E99	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82889A

Deuteranopia (green-blind)

#727C99

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278e99;
/* rgb */ color: rgb(39, 142, 153);
/* oklch */ color: oklch(59.5% 0.091 205.6);

Tailwind

colors: {
  custom: {
    50: '#74afb7',
    500: '#278e99',
    950: '#000000',
  },
}

SCSS

$custom: #278e99;
$custom-light: #74afb7;
$custom-dark: #000000;

JSON

{
  "hex": "#278e99",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 153
  },
  "hsl": {
    "h": 185.789,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59488,
    "c": 0.09121,
    "h": 205.6
  },
  "luminance": 0.22077
}

Semantic roles & 50–950 ramp

primary

#278E99

secondary

#BD685F

accent

#5445E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278E99

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

Preview Lab → · Contrast checker → · Palette generator →