#278B8A#278B8A

#278B8A is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.1% C 0.088 H 194.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#278B8A
RGB	rgb(39, 139, 138)
HSL	hsl(179, 56%, 35%)
HSV	hsv(179, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 0.7%, 45.5%)
CIE-LAB	lab(52.65, -27.80, -7.70)
CIE-LCH	lch(52.65, 28.85, 195.48°)
OKLab	oklab(58.14% -0.0859 -0.0214)
OKLCH	oklch(58.14% 0.089 194)
XYZ	xyz(14.6547, 20.7298, 27.2687)
Luminance	0.2073 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B8A #8B2728

analogous

#278B58 #278B8A #275A8B

triadic

#278B8A #8A278B #8B8A27

tetradic

#278B8A #58278B #8B2728 #5A8B27

square

#278B8A #58278B #8B2728 #5A8B27

split-complementary

#278B8A #8B275A #8B5827

monochromatic

#0C2B2B #1A5B5B #278B8A #34BBB9 #5BD1D0

Accessibility & contrast

On white

4.08

#278B8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#278B8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B8A

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B8A	#FFFFFF	#000000	##000000
##278B8A	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82848A

Deuteranopia (green-blind)

#73798B

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278b8a;
/* rgb */ color: rgb(39, 139, 138);
/* oklch */ color: oklch(58.1% 0.088 194.0);

Tailwind

colors: {
  custom: {
    50: '#72adac',
    500: '#278b8a',
    950: '#000000',
  },
}

SCSS

$custom: #278b8a;
$custom-light: #72adac;
$custom-dark: #000000;

JSON

{
  "hex": "#278b8a",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 138
  },
  "hsl": {
    "h": 179.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58144,
    "c": 0.0885,
    "h": 194
  },
  "luminance": 0.20732
}

Semantic roles & 50–950 ramp

primary

#278B8A

secondary

#B65859

accent

#484ADF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #278B8A

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

Preview Lab → · Contrast checker → · Palette generator →