#278F9B#278F9B

#278F9B is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.8% C 0.092 H 206.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#278F9B
RGB	rgb(39, 143, 155)
HSL	hsl(186, 60%, 38%)
HSV	hsv(186, 75%, 61%)
CMYK	cmyk(74.8%, 7.7%, 0%, 39.2%)
CIE-LAB	lab(54.49, -24.51, -14.76)
CIE-LCH	lch(54.49, 28.61, 211.06°)
OKLab	oklab(59.82% -0.0824 -0.041)
OKLCH	oklch(59.82% 0.092 206.5)
XYZ	xyz(16.5730, 22.4408, 34.4620)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F9B #9B3327

analogous

#279B6D #278F9B #27559B

triadic

#278F9B #9B278F #8F9B27

tetradic

#278F9B #6D279B #9B3327 #559B27

square

#278F9B #6D279B #9B3327 #559B27

split-complementary

#278F9B #9B2755 #9B6D27

monochromatic

#0E3539 #1B626A #278F9B #33BCCC #64CCD8

Accessibility & contrast

On white

3.83

#278F9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#278F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F9B

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F9B	#FFFFFF	#000000	##000000
##278F9B	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82899C

Deuteranopia (green-blind)

#727D9B

Tritanopia (blue-blind)

#009593

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #278f9b;
/* rgb */ color: rgb(39, 143, 155);
/* oklch */ color: oklch(59.8% 0.092 206.5);

Tailwind

colors: {
  custom: {
    50: '#74b0b8',
    500: '#278f9b',
    950: '#000000',
  },
}

SCSS

$custom: #278f9b;
$custom-light: #74b0b8;
$custom-dark: #000000;

JSON

{
  "hex": "#278f9b",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 155
  },
  "hsl": {
    "h": 186.207,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59823,
    "c": 0.09205,
    "h": 206.5
  },
  "luminance": 0.22443
}

Semantic roles & 50–950 ramp

primary

#278F9B

secondary

#BE6A60

accent

#5545E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278F9B

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

Preview Lab → · Contrast checker → · Palette generator →