#289CA8#289CA8

#289CA8 is a light, moderate teal. Relative luminance 0.271; OKLCH L 63.6% C 0.099 H 205.4°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#289CA8
RGB	rgb(40, 156, 168)
HSL	hsl(186, 62%, 41%)
HSV	hsv(186, 76%, 66%)
CMYK	cmyk(76.2%, 7.1%, 0%, 34.1%)
CIE-LAB	lab(59.02, -26.83, -15.33)
CIE-LCH	lch(59.02, 30.90, 209.73°)
OKLab	oklab(63.64% -0.0895 -0.0426)
OKLCH	oklch(63.64% 0.099 205.4)
XYZ	xyz(19.8283, 27.0528, 41.2149)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CA8 #A83428

analogous

#28A874 #289CA8 #285CA8

triadic

#289CA8 #A8289C #9CA828

tetradic

#289CA8 #7428A8 #A83428 #5CA828

square

#289CA8 #7428A8 #A83428 #5CA828

split-complementary

#289CA8 #A8285C #A87428

monochromatic

#104045 #1C6E77 #289CA8 #3DC3D1 #6ED2DC

Accessibility & contrast

On white

3.28

#289CA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#289CA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CA8

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CA8	#FFFFFF	#000000	##000000
##289CA8	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F95A9

Deuteranopia (green-blind)

#7D88A8

Tritanopia (blue-blind)

#00A39F

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #289ca8;
/* rgb */ color: rgb(40, 156, 168);
/* oklch */ color: oklch(63.6% 0.099 205.4);

Tailwind

colors: {
  custom: {
    50: '#78b9c1',
    500: '#289ca8',
    950: '#000000',
  },
}

SCSS

$custom: #289ca8;
$custom-light: #78b9c1;
$custom-dark: #000000;

JSON

{
  "hex": "#289ca8",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 168
  },
  "hsl": {
    "h": 185.625,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.63642,
    "c": 0.09917,
    "h": 205.4
  },
  "luminance": 0.27055
}

Semantic roles & 50–950 ramp

primary

#289CA8

secondary

#C37169

accent

#5243E5

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #289CA8

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

Preview Lab → · Contrast checker → · Palette generator →