#288A5D#288A5D

#288A5D is a mid, moderate teal. Relative luminance 0.194; OKLCH L 56.6% C 0.114 H 159.0°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#288A5D
RGB	rgb(40, 138, 93)
HSL	hsl(152, 55%, 35%)
HSV	hsv(152, 71%, 54%)
CMYK	cmyk(71%, 0%, 32.6%, 45.9%)
CIE-LAB	lab(51.17, -39.13, 16.15)
CIE-LCH	lch(51.17, 42.33, 157.57°)
OKLab	oklab(56.55% -0.1064 0.0409)
OKLCH	oklch(56.55% 0.114 159)
XYZ	xyz(11.9382, 19.4171, 13.4725)
Luminance	0.1942 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A5D #8A2855

analogous

#288A2C #288A5D #28868A

triadic

#288A5D #5D288A #8A5D28

tetradic

#288A5D #2C288A #8A2855 #868A28

square

#288A5D #2C288A #8A2855 #868A28

split-complementary

#288A5D #8A2886 #8A2C28

monochromatic

#0C2B1D #1A5B3D #288A5D #36B97D #5DD09B

Accessibility & contrast

On white

4.30

#288A5D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#288A5D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A5D

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A5D	#FFFFFF	#000000	##000000
##288A5D	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897F5A

Deuteranopia (green-blind)

#7C7660

Tritanopia (blue-blind)

#00897E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288a5d;
/* rgb */ color: rgb(40, 138, 93);
/* oklch */ color: oklch(56.6% 0.114 159.0);

Tailwind

colors: {
  custom: {
    50: '#6fad8b',
    500: '#288a5d',
    950: '#000000',
  },
}

SCSS

$custom: #288a5d;
$custom-light: #6fad8b;
$custom-dark: #000000;

JSON

{
  "hex": "#288a5d",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 93
  },
  "hsl": {
    "h": 152.449,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56551,
    "c": 0.11403,
    "h": 159
  },
  "luminance": 0.19418
}

Semantic roles & 50–950 ramp

primary

#288A5D

secondary

#B55983

accent

#498EDE

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288A5D

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

Preview Lab → · Contrast checker → · Palette generator →