#289E8B#289E8B

#289E8B is a light, moderate teal. Relative luminance 0.268; OKLCH L 63.1% C 0.105 H 179.3°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#289E8B
RGB	rgb(40, 158, 139)
HSL	hsl(170, 60%, 39%)
HSV	hsv(170, 75%, 62%)
CMYK	cmyk(74.7%, 0%, 12%, 38%)
CIE-LAB	lab(58.76, -36.38, 0.73)
CIE-LCH	lch(58.76, 36.39, 178.85°)
OKLab	oklab(63.13% -0.1049 0.0014)
OKLCH	oklch(63.13% 0.105 179.3)
XYZ	xyz(17.7598, 26.7668, 28.6516)
Luminance	0.2677 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289E8B #9E283B

analogous

#289E50 #289E8B #28769E

triadic

#289E8B #8B289E #9E8B28

tetradic

#289E8B #50289E #9E283B #769E28

square

#289E8B #50289E #9E283B #769E28

split-complementary

#289E8B #9E2876 #9E5028

monochromatic

#0F3C35 #1C6D60 #289E8B #37CCB4 #68D9C7

Accessibility & contrast

On white

3.31

#289E8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#289E8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289E8B

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289E8B	#FFFFFF	#000000	##000000
##289E8B	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97948A

Deuteranopia (green-blind)

#87888D

Tritanopia (blue-blind)

#00A198

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #289e8b;
/* rgb */ color: rgb(40, 158, 139);
/* oklch */ color: oklch(63.1% 0.105 179.3);

Tailwind

colors: {
  custom: {
    50: '#75bbac',
    500: '#289e8b',
    950: '#000000',
  },
}

SCSS

$custom: #289e8b;
$custom-light: #75bbac;
$custom-dark: #000000;

JSON

{
  "hex": "#289e8b",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 139
  },
  "hsl": {
    "h": 170.339,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.6313,
    "c": 0.10489,
    "h": 179.3
  },
  "luminance": 0.26769
}

Semantic roles & 50–950 ramp

primary

#289E8B

secondary

#BF6372

accent

#455EE3

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1210

muted

#7C817F

Preview Lab

Preview with #289E8B

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

Preview Lab → · Contrast checker → · Palette generator →