#278A8A#278A8A

#278A8A is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.9% C 0.088 H 195.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#278A8A
RGB	rgb(39, 138, 138)
HSL	hsl(180, 56%, 35%)
HSV	hsv(180, 72%, 54%)
CMYK	cmyk(71.7%, 0%, 0%, 45.9%)
CIE-LAB	lab(52.33, -27.31, -8.18)
CIE-LCH	lch(52.33, 28.51, 196.67°)
OKLab	oklab(57.88% -0.0848 -0.0227)
OKLCH	oklch(57.88% 0.088 195)
XYZ	xyz(14.5105, 20.4416, 27.2207)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A8A #8A2727

analogous

#278A59 #278A8A #27598A

triadic

#278A8A #8A278A #8A8A27

tetradic

#278A8A #59278A #8A2727 #598A27

square

#278A8A #59278A #8A2727 #598A27

split-complementary

#278A8A #8A2759 #8A5927

monochromatic

#0C2B2B #1A5A5A #278A8A #34BABA #5BD1D1

Accessibility & contrast

On white

4.13

#278A8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#278A8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A8A

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A8A	#FFFFFF	#000000	##000000
##278A8A	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81838A

Deuteranopia (green-blind)

#72788B

Tritanopia (blue-blind)

#008E8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278a8a;
/* rgb */ color: rgb(39, 138, 138);
/* oklch */ color: oklch(57.9% 0.088 195.0);

Tailwind

colors: {
  custom: {
    50: '#72acac',
    500: '#278a8a',
    950: '#000000',
  },
}

SCSS

$custom: #278a8a;
$custom-light: #72acac;
$custom-dark: #000000;

JSON

{
  "hex": "#278a8a",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 138
  },
  "hsl": {
    "h": 180,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.57884,
    "c": 0.0878,
    "h": 195
  },
  "luminance": 0.20443
}

Semantic roles & 50–950 ramp

primary

#278A8A

secondary

#B65757

accent

#4949DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278A8A

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

Preview Lab → · Contrast checker → · Palette generator →