#288B5D#288B5D

#288B5D is a mid, moderate teal. Relative luminance 0.197; OKLCH L 56.8% C 0.115 H 158.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#288B5D
RGB	rgb(40, 139, 93)
HSL	hsl(152, 55%, 35%)
HSV	hsv(152, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 33.1%, 45.5%)
CIE-LAB	lab(51.50, -39.55, 16.60)
CIE-LCH	lch(51.50, 42.90, 157.23°)
OKLab	oklab(56.82% -0.1075 0.042)
OKLCH	oklch(56.82% 0.115 158.7)
XYZ	xyz(12.0823, 19.7053, 13.5205)
Luminance	0.1971 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B5D #8B2856

analogous

#288B2B #288B5D #28878B

triadic

#288B5D #5D288B #8B5D28

tetradic

#288B5D #2B288B #8B2856 #878B28

square

#288B5D #2B288B #8B2856 #878B28

split-complementary

#288B5D #8B2887 #8B2B28

monochromatic

#0D2C1D #1A5B3D #288B5D #36BB7D #5DD09B

Accessibility & contrast

On white

4.25

#288B5D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#288B5D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B5D

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B5D	#FFFFFF	#000000	##000000
##288B5D	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)

#8A805A

Deuteranopia (green-blind)

#7D7760

Tritanopia (blue-blind)

#008A7F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288b5d;
/* rgb */ color: rgb(40, 139, 93);
/* oklch */ color: oklch(56.8% 0.115 158.7);

Tailwind

colors: {
  custom: {
    50: '#70ae8b',
    500: '#288b5d',
    950: '#000000',
  },
}

SCSS

$custom: #288b5d;
$custom-light: #70ae8b;
$custom-dark: #000000;

JSON

{
  "hex": "#288b5d",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 93
  },
  "hsl": {
    "h": 152.121,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56823,
    "c": 0.11543,
    "h": 158.7
  },
  "luminance": 0.19707
}

Semantic roles & 50–950 ramp

primary

#288B5D

secondary

#B65984

accent

#498FDF

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288B5D

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

Preview Lab → · Contrast checker → · Palette generator →