#278B5F#278B5F

#278B5F is a mid, moderate teal. Relative luminance 0.197; OKLCH L 56.8% C 0.114 H 159.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#278B5F
RGB	rgb(39, 139, 95)
HSL	hsl(154, 56%, 35%)
HSV	hsv(154, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 31.7%, 45.5%)
CIE-LAB	lab(51.52, -39.28, 15.49)
CIE-LCH	lch(51.52, 42.22, 158.48°)
OKLab	oklab(56.85% -0.107 0.0393)
OKLCH	oklch(56.85% 0.114 159.8)
XYZ	xyz(12.1337, 19.7214, 13.9914)
Luminance	0.1972 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B5F #8B2753

analogous

#278B2D #278B5F #27858B

triadic

#278B5F #5F278B #8B5F27

tetradic

#278B5F #2D278B #8B2753 #858B27

square

#278B5F #2D278B #8B2753 #858B27

split-complementary

#278B5F #8B2785 #8B2D27

monochromatic

#0C2B1E #1A5B3E #278B5F #34BB80 #5BD19D

Accessibility & contrast

On white

4.25

#278B5F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#278B5F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B5F

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B5F	#FFFFFF	#000000	##000000
##278B5F	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89805C

Deuteranopia (green-blind)

#7D7762

Tritanopia (blue-blind)

#008A7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278b5f;
/* rgb */ color: rgb(39, 139, 95);
/* oklch */ color: oklch(56.8% 0.114 159.8);

Tailwind

colors: {
  custom: {
    50: '#6fae8c',
    500: '#278b5f',
    950: '#000000',
  },
}

SCSS

$custom: #278b5f;
$custom-light: #6fae8c;
$custom-dark: #000000;

JSON

{
  "hex": "#278b5f",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 95
  },
  "hsl": {
    "h": 153.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56845,
    "c": 0.11396,
    "h": 159.8
  },
  "luminance": 0.19723
}

Semantic roles & 50–950 ramp

primary

#278B5F

secondary

#B65881

accent

#488BDF

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #278B5F

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

Preview Lab → · Contrast checker → · Palette generator →