#278A8D#278A8D

#278A8D is a mid, moderate teal. Relative luminance 0.205; OKLCH L 58.0% C 0.088 H 198.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#278A8D
RGB	rgb(39, 138, 141)
HSL	hsl(182, 57%, 35%)
HSV	hsv(182, 72%, 55%)
CMYK	cmyk(72.3%, 2.1%, 0%, 44.7%)
CIE-LAB	lab(52.43, -26.39, -9.77)
CIE-LCH	lch(52.43, 28.14, 200.32°)
OKLab	oklab(58% -0.0834 -0.0271)
OKLCH	oklch(58% 0.088 198)
XYZ	xyz(14.7307, 20.5296, 28.3804)
Luminance	0.2053 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A8D #8D2A27

analogous

#278D5D #278A8D #27578D

triadic

#278A8D #8D278A #8A8D27

tetradic

#278A8D #5D278D #8D2A27 #578D27

square

#278A8D #5D278D #8D2A27 #578D27

split-complementary

#278A8D #8D2757 #8D5D27

monochromatic

#0C2C2D #1A5B5D #278A8D #34B9BD #5CCFD2

Accessibility & contrast

On white

4.11

#278A8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#278A8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A8D

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A8D	#FFFFFF	#000000	##000000
##278A8D	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80838D

Deuteranopia (green-blind)

#71788E

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278a8d;
/* rgb */ color: rgb(39, 138, 141);
/* oklch */ color: oklch(58.0% 0.088 198.0);

Tailwind

colors: {
  custom: {
    50: '#72acae',
    500: '#278a8d',
    950: '#000000',
  },
}

SCSS

$custom: #278a8d;
$custom-light: #72acae;
$custom-dark: #000000;

JSON

{
  "hex": "#278a8d",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 141
  },
  "hsl": {
    "h": 181.765,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57996,
    "c": 0.08773,
    "h": 198
  },
  "luminance": 0.20531
}

Semantic roles & 50–950 ramp

primary

#278A8D

secondary

#B75B59

accent

#4C48E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278A8D

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

Preview Lab → · Contrast checker → · Palette generator →