#288FA2#288FA2

#288FA2 is a mid, moderate teal. Relative luminance 0.227; OKLCH L 60.1% C 0.094 H 212.9°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#288FA2
RGB	rgb(40, 143, 162)
HSL	hsl(189, 60%, 40%)
HSV	hsv(189, 75%, 64%)
CMYK	cmyk(75.3%, 11.7%, 0%, 36.5%)
CIE-LAB	lab(54.76, -22.12, -18.37)
CIE-LCH	lch(54.76, 28.75, 219.71°)
OKLab	oklab(60.13% -0.079 -0.0512)
OKLCH	oklch(60.13% 0.094 212.9)
XYZ	xyz(17.2163, 22.7026, 37.6501)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288FA2 #A23B28

analogous

#28A278 #288FA2 #2852A2

triadic

#288FA2 #A2288F #8FA228

tetradic

#288FA2 #7828A2 #A23B28 #52A228

square

#288FA2 #7828A2 #A23B28 #52A228

split-complementary

#288FA2 #A22852 #A27828

monochromatic

#103840 #1C6471 #288FA2 #39B7CE #6AC9DA

Accessibility & contrast

On white

3.79

#288FA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#288FA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288FA2

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288FA2	#FFFFFF	#000000	##000000
##288FA2	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA3

Deuteranopia (green-blind)

#707EA2

Tritanopia (blue-blind)

#009795

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288fa2;
/* rgb */ color: rgb(40, 143, 162);
/* oklch */ color: oklch(60.1% 0.094 212.9);

Tailwind

colors: {
  custom: {
    50: '#75b0bd',
    500: '#288fa2',
    950: '#000000',
  },
}

SCSS

$custom: #288fa2;
$custom-light: #75b0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#288fa2",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 162
  },
  "hsl": {
    "h": 189.344,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.60133,
    "c": 0.09413,
    "h": 212.9
  },
  "luminance": 0.22705
}

Semantic roles & 50–950 ramp

primary

#288FA2

secondary

#C17365

accent

#5D44E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288FA2

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

Preview Lab → · Contrast checker → · Palette generator →