#288A9C#288A9C

#288A9C is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.6% C 0.091 H 212.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#288A9C
RGB	rgb(40, 138, 156)
HSL	hsl(189, 59%, 38%)
HSV	hsv(189, 74%, 61%)
CMYK	cmyk(74.4%, 11.5%, 0%, 38.8%)
CIE-LAB	lab(52.98, -21.46, -17.63)
CIE-LCH	lch(52.98, 27.78, 219.41°)
OKLab	oklab(58.62% -0.0764 -0.0491)
OKLCH	oklch(58.62% 0.091 212.7)
XYZ	xyz(15.9617, 21.0265, 34.6633)
Luminance	0.2103 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A9C #9C3A28

analogous

#289C74 #288A9C #28509C

triadic

#288A9C #9C288A #8A9C28

tetradic

#288A9C #74289C #9C3A28 #509C28

square

#288A9C #74289C #9C3A28 #509C28

split-complementary

#288A9C #9C2850 #9C7428

monochromatic

#0F343B #1C5F6B #288A9C #36B4CB #67C6D8

Accessibility & contrast

On white

4.03

#288A9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#288A9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A9C

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A9C	#FFFFFF	#000000	##000000
##288A9C	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859D

Deuteranopia (green-blind)

#6C799C

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288a9c;
/* rgb */ color: rgb(40, 138, 156);
/* oklch */ color: oklch(58.6% 0.091 212.7);

Tailwind

colors: {
  custom: {
    50: '#74acb9',
    500: '#288a9c',
    950: '#000000',
  },
}

SCSS

$custom: #288a9c;
$custom-light: #74acb9;
$custom-dark: #000000;

JSON

{
  "hex": "#288a9c",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 156
  },
  "hsl": {
    "h": 189.31,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.5862,
    "c": 0.09083,
    "h": 212.7
  },
  "luminance": 0.21028
}

Semantic roles & 50–950 ramp

primary

#288A9C

secondary

#BE7062

accent

#5E45E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288A9C

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

Preview Lab → · Contrast checker → · Palette generator →