#278B5A#278B5A

#278B5A is a mid, moderate teal. Relative luminance 0.196; OKLCH L 56.7% C 0.119 H 157.3°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#278B5A
RGB	rgb(39, 139, 90)
HSL	hsl(151, 56%, 35%)
HSV	hsv(151, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 35.3%, 45.5%)
CIE-LAB	lab(51.42, -40.37, 18.18)
CIE-LCH	lch(51.42, 44.28, 155.75°)
OKLab	oklab(56.73% -0.1095 0.0458)
OKLCH	oklch(56.73% 0.119 157.3)
XYZ	xyz(11.9136, 19.6334, 12.8326)
Luminance	0.1963 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B5A #8B2758

analogous

#278B28 #278B5A #278A8B

triadic

#278B5A #5A278B #8B5A27

tetradic

#278B5A #28278B #8B2758 #8A8B27

square

#278B5A #28278B #8B2758 #8A8B27

split-complementary

#278B5A #8B278A #8B2827

monochromatic

#0C2B1C #1A5B3B #278B5A #34BB79 #5BD197

Accessibility & contrast

On white

4.26

#278B5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#278B5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B5A

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B5A	#FFFFFF	#000000	##000000
##278B5A	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8057

Deuteranopia (green-blind)

#7D775D

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278b5a;
/* rgb */ color: rgb(39, 139, 90);
/* oklch */ color: oklch(56.7% 0.119 157.3);

Tailwind

colors: {
  custom: {
    50: '#6fae89',
    500: '#278b5a',
    950: '#000000',
  },
}

SCSS

$custom: #278b5a;
$custom-light: #6fae89;
$custom-dark: #000000;

JSON

{
  "hex": "#278b5a",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 90
  },
  "hsl": {
    "h": 150.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56729,
    "c": 0.11866,
    "h": 157.3
  },
  "luminance": 0.19635
}

Semantic roles & 50–950 ramp

primary

#278B5A

secondary

#B65886

accent

#4892DF

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #278B5A

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

Preview Lab → · Contrast checker → · Palette generator →