#278E5B#278E5B

#278E5B is a mid, vivid teal. Relative luminance 0.205; OKLCH L 57.6% C 0.122 H 156.9°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#278E5B
RGB	rgb(39, 142, 91)
HSL	hsl(150, 57%, 35%)
HSV	hsv(150, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 35.9%, 44.3%)
CIE-LAB	lab(52.43, -41.40, 18.99)
CIE-LCH	lch(52.43, 45.55, 155.36°)
OKLab	oklab(57.57% -0.1121 0.0478)
OKLCH	oklch(57.57% 0.122 156.9)
XYZ	xyz(12.3968, 20.5313, 13.2051)
Luminance	0.2053 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E5B #8E275A

analogous

#278E27 #278E5B #278D8E

triadic

#278E5B #5B278E #8E5B27

tetradic

#278E5B #27278E #8E275A #8D8E27

square

#278E5B #27278E #8E275A #8D8E27

split-complementary

#278E5B #8E278D #8E2727

monochromatic

#0D2E1D #1A5E3C #278E5B #34BE7A #5DD298

Accessibility & contrast

On white

4.11

#278E5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#278E5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E5B

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E5B	#FFFFFF	#000000	##000000
##278E5B	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8358

Deuteranopia (green-blind)

#80795E

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278e5b;
/* rgb */ color: rgb(39, 142, 91);
/* oklch */ color: oklch(57.6% 0.122 156.9);

Tailwind

colors: {
  custom: {
    50: '#70b089',
    500: '#278e5b',
    950: '#000000',
  },
}

SCSS

$custom: #278e5b;
$custom-light: #70b089;
$custom-dark: #000000;

JSON

{
  "hex": "#278e5b",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 91
  },
  "hsl": {
    "h": 150.291,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57569,
    "c": 0.12189,
    "h": 156.9
  },
  "luminance": 0.20533
}

Semantic roles & 50–950 ramp

primary

#278E5B

secondary

#B85988

accent

#4893E0

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #278E5B

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

Preview Lab → · Contrast checker → · Palette generator →