#289CA4#289CA4

#289CA4 is a light, moderate teal. Relative luminance 0.269; OKLCH L 63.5% C 0.098 H 202.0°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#289CA4
RGB	rgb(40, 156, 164)
HSL	hsl(184, 61%, 40%)
HSV	hsv(184, 76%, 64%)
CMYK	cmyk(75.6%, 4.9%, 0%, 35.7%)
CIE-LAB	lab(58.89, -28.09, -13.26)
CIE-LCH	lch(58.89, 31.06, 205.27°)
OKLab	oklab(63.49% -0.0913 -0.0368)
OKLCH	oklch(63.49% 0.098 202)
XYZ	xyz(19.4614, 26.9060, 39.2824)
Luminance	0.2691 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CA4 #A43028

analogous

#28A46E #289CA4 #285EA4

triadic

#289CA4 #A4289C #9CA428

tetradic

#289CA4 #6E28A4 #A43028 #5EA428

square

#289CA4 #6E28A4 #A43028 #5EA428

split-complementary

#289CA4 #A4285E #A46E28

monochromatic

#103E42 #1C6D73 #289CA4 #3AC5CF #6BD4DB

Accessibility & contrast

On white

3.29

#289CA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#289CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CA4

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CA4	#FFFFFF	#000000	##000000
##289CA4	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9095A5

Deuteranopia (green-blind)

#7E88A4

Tritanopia (blue-blind)

#00A29E

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #289ca4;
/* rgb */ color: rgb(40, 156, 164);
/* oklch */ color: oklch(63.5% 0.098 202.0);

Tailwind

colors: {
  custom: {
    50: '#77b9bf',
    500: '#289ca4',
    950: '#000000',
  },
}

SCSS

$custom: #289ca4;
$custom-light: #77b9bf;
$custom-dark: #000000;

JSON

{
  "hex": "#289ca4",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 164
  },
  "hsl": {
    "h": 183.871,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.63487,
    "c": 0.09845,
    "h": 202
  },
  "luminance": 0.26908
}

Semantic roles & 50–950 ramp

primary

#289CA4

secondary

#C16C66

accent

#4E44E4

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #289CA4

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

Preview Lab → · Contrast checker → · Palette generator →