#278D9B#278D9B

#278D9B is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.3% C 0.091 H 208.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#278D9B
RGB	rgb(39, 141, 155)
HSL	hsl(187, 60%, 38%)
HSV	hsv(187, 75%, 61%)
CMYK	cmyk(74.8%, 9%, 0%, 39.2%)
CIE-LAB	lab(53.86, -23.48, -15.71)
CIE-LCH	lch(53.86, 28.25, 213.79°)
OKLab	oklab(59.32% -0.0803 -0.0437)
OKLCH	oklch(59.32% 0.091 208.5)
XYZ	xyz(16.2754, 21.8457, 34.3629)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D9B #9B3527

analogous

#279B6F #278D9B #27539B

triadic

#278D9B #9B278D #8D9B27

tetradic

#278D9B #6F279B #9B3527 #539B27

square

#278D9B #6F279B #9B3527 #539B27

split-complementary

#278D9B #9B2753 #9B6F27

monochromatic

#0E3439 #1B616A #278D9B #33B9CC #64CAD8

Accessibility & contrast

On white

3.91

#278D9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#278D9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D9B

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D9B	#FFFFFF	#000000	##000000
##278D9B	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80889C

Deuteranopia (green-blind)

#707C9B

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278d9b;
/* rgb */ color: rgb(39, 141, 155);
/* oklch */ color: oklch(59.3% 0.091 208.5);

Tailwind

colors: {
  custom: {
    50: '#74aeb8',
    500: '#278d9b',
    950: '#000000',
  },
}

SCSS

$custom: #278d9b;
$custom-light: #74aeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#278d9b",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 155
  },
  "hsl": {
    "h": 187.241,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59315,
    "c": 0.09146,
    "h": 208.5
  },
  "luminance": 0.21848
}

Semantic roles & 50–950 ramp

primary

#278D9B

secondary

#BE6B60

accent

#5845E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278D9B

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

Preview Lab → · Contrast checker → · Palette generator →