#278A9D#278A9D

#278A9D is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.6% C 0.092 H 213.6°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#278A9D
RGB	rgb(39, 138, 157)
HSL	hsl(190, 60%, 38%)
HSV	hsv(190, 75%, 62%)
CMYK	cmyk(75.2%, 12.1%, 0%, 38.4%)
CIE-LAB	lab(52.99, -21.26, -18.19)
CIE-LCH	lch(52.99, 27.98, 220.55°)
OKLab	oklab(58.64% -0.0764 -0.0507)
OKLCH	oklch(58.64% 0.092 213.6)
XYZ	xyz(16.0084, 21.0407, 35.1093)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A9D #9D3A27

analogous

#279D75 #278A9D #274F9D

triadic

#278A9D #9D278A #8A9D27

tetradic

#278A9D #75279D #9D3A27 #4F9D27

square

#278A9D #75279D #9D3A27 #4F9D27

split-complementary

#278A9D #9D274F #9D7527

monochromatic

#0F343B #1B5F6C #278A9D #35B4CD #66C6D9

Accessibility & contrast

On white

4.03

#278A9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#278A9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A9D

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A9D	#FFFFFF	#000000	##000000
##278A9D	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859E

Deuteranopia (green-blind)

#6C799D

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278a9d;
/* rgb */ color: rgb(39, 138, 157);
/* oklch */ color: oklch(58.6% 0.092 213.6);

Tailwind

colors: {
  custom: {
    50: '#74acba',
    500: '#278a9d',
    950: '#000000',
  },
}

SCSS

$custom: #278a9d;
$custom-light: #74acba;
$custom-dark: #000000;

JSON

{
  "hex": "#278a9d",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 157
  },
  "hsl": {
    "h": 189.661,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.58638,
    "c": 0.0917,
    "h": 213.6
  },
  "luminance": 0.21043
}

Semantic roles & 50–950 ramp

primary

#278A9D

secondary

#BF7061

accent

#5E44E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #278A9D

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

Preview Lab → · Contrast checker → · Palette generator →