#278A8F#278A8F

#278A8F is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.1% C 0.088 H 200.0°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#278A8F
RGB	rgb(39, 138, 143)
HSL	hsl(183, 57%, 36%)
HSV	hsv(183, 73%, 56%)
CMYK	cmyk(72.7%, 3.5%, 0%, 43.9%)
CIE-LAB	lab(52.50, -25.76, -10.83)
CIE-LCH	lch(52.50, 27.95, 202.81°)
OKLab	oklab(58.07% -0.0825 -0.0301)
OKLCH	oklch(58.07% 0.088 200)
XYZ	xyz(14.8809, 20.5897, 29.1712)
Luminance	0.2059 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A8F #8F2C27

analogous

#278F60 #278A8F #27568F

triadic

#278A8F #8F278A #8A8F27

tetradic

#278A8F #60278F #8F2C27 #568F27

square

#278A8F #60278F #8F2C27 #568F27

split-complementary

#278A8F #8F2756 #8F6027

monochromatic

#0D2D2F #1A5C5F #278A8F #34B8BF #5DCDD3

Accessibility & contrast

On white

4.10

#278A8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#278A8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A8F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A8F	#FFFFFF	#000000	##000000
##278A8F	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80848F

Deuteranopia (green-blind)

#707990

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278a8f;
/* rgb */ color: rgb(39, 138, 143);
/* oklch */ color: oklch(58.1% 0.088 200.0);

Tailwind

colors: {
  custom: {
    50: '#72acaf',
    500: '#278a8f',
    950: '#000000',
  },
}

SCSS

$custom: #278a8f;
$custom-light: #72acaf;
$custom-dark: #000000;

JSON

{
  "hex": "#278a8f",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 143
  },
  "hsl": {
    "h": 182.885,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58073,
    "c": 0.08784,
    "h": 200
  },
  "luminance": 0.20591
}

Semantic roles & 50–950 ramp

primary

#278A8F

secondary

#B85E5A

accent

#4F47E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278A8F

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

Preview Lab → · Contrast checker → · Palette generator →