#288EA1#288EA1

#288EA1 is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.8% C 0.094 H 213.1°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#288EA1
RGB	rgb(40, 142, 161)
HSL	hsl(189, 60%, 39%)
HSV	hsv(189, 75%, 63%)
CMYK	cmyk(75.2%, 11.8%, 0%, 36.9%)
CIE-LAB	lab(54.42, -21.92, -18.33)
CIE-LCH	lch(54.42, 28.57, 219.90°)
OKLab	oklab(59.84% -0.0784 -0.0511)
OKLCH	oklch(59.84% 0.094 213.1)
XYZ	xyz(16.9783, 22.3683, 37.1340)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288EA1 #A13B28

analogous

#28A177 #288EA1 #2852A1

triadic

#288EA1 #A1288E #8EA128

tetradic

#288EA1 #7728A1 #A13B28 #52A128

square

#288EA1 #7728A1 #A13B28 #52A128

split-complementary

#288EA1 #A12852 #A17728

monochromatic

#10383F #1C6370 #288EA1 #39B6CE #6AC8DA

Accessibility & contrast

On white

3.84

#288EA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#288EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288EA1

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288EA1	#FFFFFF	#000000	##000000
##288EA1	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8089A2

Deuteranopia (green-blind)

#6F7DA1

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288ea1;
/* rgb */ color: rgb(40, 142, 161);
/* oklch */ color: oklch(59.8% 0.094 213.1);

Tailwind

colors: {
  custom: {
    50: '#75afbc',
    500: '#288ea1',
    950: '#000000',
  },
}

SCSS

$custom: #288ea1;
$custom-light: #75afbc;
$custom-dark: #000000;

JSON

{
  "hex": "#288ea1",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 161
  },
  "hsl": {
    "h": 189.421,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.59839,
    "c": 0.09356,
    "h": 213.1
  },
  "luminance": 0.2237
}

Semantic roles & 50–950 ramp

primary

#288EA1

secondary

#C07365

accent

#5D44E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288EA1

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

Preview Lab → · Contrast checker → · Palette generator →