#288A5E#288A5E

#288A5E is a mid, moderate teal. Relative luminance 0.194; OKLCH L 56.6% C 0.113 H 159.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#288A5E
RGB	rgb(40, 138, 94)
HSL	hsl(153, 55%, 35%)
HSV	hsv(153, 71%, 54%)
CMYK	cmyk(71%, 0%, 31.9%, 45.9%)
CIE-LAB	lab(51.19, -38.91, 15.61)
CIE-LCH	lch(51.19, 41.92, 158.14°)
OKLab	oklab(56.58% -0.1059 0.0396)
OKLCH	oklch(56.58% 0.113 159.5)
XYZ	xyz(11.9827, 19.4349, 13.7073)
Luminance	0.1944 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A5E #8A2854

analogous

#288A2D #288A5E #28858A

triadic

#288A5E #5E288A #8A5E28

tetradic

#288A5E #2D288A #8A2854 #858A28

square

#288A5E #2D288A #8A2854 #858A28

split-complementary

#288A5E #8A2885 #8A2D28

monochromatic

#0C2B1D #1A5B3E #288A5E #36B97E #5DD09C

Accessibility & contrast

On white

4.30

#288A5E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#288A5E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A5E

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A5E	#FFFFFF	#000000	##000000
##288A5E	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887F5B

Deuteranopia (green-blind)

#7C7661

Tritanopia (blue-blind)

#00897E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288a5e;
/* rgb */ color: rgb(40, 138, 94);
/* oklch */ color: oklch(56.6% 0.113 159.5);

Tailwind

colors: {
  custom: {
    50: '#6fad8c',
    500: '#288a5e',
    950: '#000000',
  },
}

SCSS

$custom: #288a5e;
$custom-light: #6fad8c;
$custom-dark: #000000;

JSON

{
  "hex": "#288a5e",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 94
  },
  "hsl": {
    "h": 153.061,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56575,
    "c": 0.11309,
    "h": 159.5
  },
  "luminance": 0.19436
}

Semantic roles & 50–950 ramp

primary

#288A5E

secondary

#B55982

accent

#498CDE

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288A5E

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

Preview Lab → · Contrast checker → · Palette generator →