#278F8A#278F8A

#278F8A is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.2% C 0.092 H 190.2°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#278F8A
RGB	rgb(39, 143, 138)
HSL	hsl(177, 57%, 36%)
HSV	hsv(177, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 3.5%, 43.9%)
CIE-LAB	lab(53.93, -29.76, -5.80)
CIE-LCH	lch(53.93, 30.32, 191.02°)
OKLab	oklab(59.18% -0.0901 -0.0162)
OKLCH	oklch(59.18% 0.092 190.2)
XYZ	xyz(15.2445, 21.9094, 27.4653)
Luminance	0.2191 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F8A #8F272C

analogous

#278F56 #278F8A #27608F

triadic

#278F8A #8A278F #8F8A27

tetradic

#278F8A #56278F #8F272C #608F27

square

#278F8A #56278F #8F272C #608F27

split-complementary

#278F8A #8F2760 #8F5627

monochromatic

#0D2F2D #1A5F5C #278F8A #34BFB8 #5DD3CD

Accessibility & contrast

On white

3.90

#278F8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#278F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F8A

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F8A	#FFFFFF	#000000	##000000
##278F8A	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878A

Deuteranopia (green-blind)

#777C8B

Tritanopia (blue-blind)

#00938D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278f8a;
/* rgb */ color: rgb(39, 143, 138);
/* oklch */ color: oklch(59.2% 0.092 190.2);

Tailwind

colors: {
  custom: {
    50: '#72b0ac',
    500: '#278f8a',
    950: '#000000',
  },
}

SCSS

$custom: #278f8a;
$custom-light: #72b0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#278f8a",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 138
  },
  "hsl": {
    "h": 177.115,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59182,
    "c": 0.09155,
    "h": 190.2
  },
  "luminance": 0.21911
}

Semantic roles & 50–950 ramp

primary

#278F8A

secondary

#B85A5E

accent

#474FE0

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278F8A

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

Preview Lab → · Contrast checker → · Palette generator →