#289CA3#289CA3

#289CA3 is a light, moderate teal. Relative luminance 0.269; OKLCH L 63.4% C 0.098 H 201.1°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#289CA3
RGB	rgb(40, 156, 163)
HSL	hsl(183, 61%, 40%)
HSV	hsv(183, 75%, 64%)
CMYK	cmyk(75.5%, 4.3%, 0%, 36.1%)
CIE-LAB	lab(58.85, -28.40, -12.74)
CIE-LCH	lch(58.85, 31.13, 204.17°)
OKLab	oklab(63.45% -0.0917 -0.0354)
OKLCH	oklch(63.45% 0.098 201.1)
XYZ	xyz(19.3714, 26.8700, 38.8087)
Luminance	0.2687 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CA3 #A32F28

analogous

#28A36D #289CA3 #285EA3

triadic

#289CA3 #A3289C #9CA328

tetradic

#289CA3 #6D28A3 #A32F28 #5EA328

square

#289CA3 #6D28A3 #A32F28 #5EA328

split-complementary

#289CA3 #A3285E #A36D28

monochromatic

#103E41 #1C6D72 #289CA3 #3AC6CF #6BD4DB

Accessibility & contrast

On white

3.29

#289CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#289CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CA3

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CA3	#FFFFFF	#000000	##000000
##289CA3	1.00	3.29	6.37	6.37
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9095A4

Deuteranopia (green-blind)

#7E88A4

Tritanopia (blue-blind)

#00A29E

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #289ca3;
/* rgb */ color: rgb(40, 156, 163);
/* oklch */ color: oklch(63.4% 0.098 201.1);

Tailwind

colors: {
  custom: {
    50: '#77b9be',
    500: '#289ca3',
    950: '#000000',
  },
}

SCSS

$custom: #289ca3;
$custom-light: #77b9be;
$custom-dark: #000000;

JSON

{
  "hex": "#289ca3",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 163
  },
  "hsl": {
    "h": 183.415,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.63449,
    "c": 0.09832,
    "h": 201.1
  },
  "luminance": 0.26872
}

Semantic roles & 50–950 ramp

primary

#289CA3

secondary

#C16B66

accent

#4D44E4

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #289CA3

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

Preview Lab → · Contrast checker → · Palette generator →