#278C8A#278C8A

#278C8A is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.4% C 0.089 H 193.0°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#278C8A
RGB	rgb(39, 140, 138)
HSL	hsl(179, 56%, 35%)
HSV	hsv(179, 72%, 55%)
CMYK	cmyk(72.1%, 0%, 1.4%, 45.1%)
CIE-LAB	lab(52.97, -28.30, -7.22)
CIE-LCH	lch(52.97, 29.21, 194.32°)
OKLab	oklab(58.4% -0.0869 -0.0201)
OKLCH	oklch(58.4% 0.089 193)
XYZ	xyz(14.8001, 21.0207, 27.3172)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C8A #8C2729

analogous

#278C58 #278C8A #275B8C

triadic

#278C8A #8A278C #8C8A27

tetradic

#278C8A #58278C #8C2729 #5B8C27

square

#278C8A #58278C #8C2729 #5B8C27

split-complementary

#278C8A #8C275B #8C5827

monochromatic

#0C2C2C #1A5C5B #278C8A #34BCB9 #5CD2CF

Accessibility & contrast

On white

4.04

#278C8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#278C8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C8A

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C8A	#FFFFFF	#000000	##000000
##278C8A	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83858A

Deuteranopia (green-blind)

#747A8B

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278c8a;
/* rgb */ color: rgb(39, 140, 138);
/* oklch */ color: oklch(58.4% 0.089 193.0);

Tailwind

colors: {
  custom: {
    50: '#72aeac',
    500: '#278c8a',
    950: '#000000',
  },
}

SCSS

$custom: #278c8a;
$custom-light: #72aeac;
$custom-dark: #000000;

JSON

{
  "hex": "#278c8a",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 138
  },
  "hsl": {
    "h": 178.812,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58403,
    "c": 0.08923,
    "h": 193
  },
  "luminance": 0.21022
}

Semantic roles & 50–950 ramp

primary

#278C8A

secondary

#B7585A

accent

#484BE0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278C8A

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

Preview Lab → · Contrast checker → · Palette generator →