#288B9D#288B9D

#288B9D is a mid, moderate teal. Relative luminance 0.214; OKLCH L 58.9% C 0.091 H 212.6°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#288B9D
RGB	rgb(40, 139, 157)
HSL	hsl(189, 59%, 39%)
HSV	hsv(189, 75%, 62%)
CMYK	cmyk(74.5%, 11.5%, 0%, 38.4%)
CIE-LAB	lab(53.33, -21.66, -17.68)
CIE-LCH	lch(53.33, 27.96, 219.22°)
OKLab	oklab(58.91% -0.077 -0.0492)
OKLCH	oklch(58.91% 0.091 212.6)
XYZ	xyz(16.1909, 21.3488, 35.1592)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B9D #9D3A28

analogous

#289D74 #288B9D #28509D

triadic

#288B9D #9D288B #8B9D28

tetradic

#288B9D #74289D #9D3A28 #509D28

square

#288B9D #74289D #9D3A28 #509D28

split-complementary

#288B9D #9D2850 #9D7428

monochromatic

#0F353B #1C606C #288B9D #36B5CC #67C7D8

Accessibility & contrast

On white

3.98

#288B9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#288B9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B9D

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B9D	#FFFFFF	#000000	##000000
##288B9D	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D869E

Deuteranopia (green-blind)

#6D7A9D

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288b9d;
/* rgb */ color: rgb(40, 139, 157);
/* oklch */ color: oklch(58.9% 0.091 212.6);

Tailwind

colors: {
  custom: {
    50: '#74adba',
    500: '#288b9d',
    950: '#000000',
  },
}

SCSS

$custom: #288b9d;
$custom-light: #74adba;
$custom-dark: #000000;

JSON

{
  "hex": "#288b9d",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 157
  },
  "hsl": {
    "h": 189.231,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.58914,
    "c": 0.09141,
    "h": 212.6
  },
  "luminance": 0.21351
}

Semantic roles & 50–950 ramp

primary

#288B9D

secondary

#BE7162

accent

#5D45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288B9D

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

Preview Lab → · Contrast checker → · Palette generator →