#289FA5#289FA5

#289FA5 is a light, moderate teal. Relative luminance 0.280; OKLCH L 64.3% C 0.100 H 200.1°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#289FA5
RGB	rgb(40, 159, 165)
HSL	hsl(183, 61%, 40%)
HSV	hsv(183, 76%, 65%)
CMYK	cmyk(75.8%, 3.6%, 0%, 35.3%)
CIE-LAB	lab(59.85, -29.26, -12.37)
CIE-LCH	lch(59.85, 31.77, 202.92°)
OKLab	oklab(64.28% -0.0939 -0.0344)
OKLCH	oklch(64.28% 0.1 200.1)
XYZ	xyz(20.0617, 27.9616, 39.9298)
Luminance	0.2796 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FA5 #A52E28

analogous

#28A56C #289FA5 #2860A5

triadic

#289FA5 #A5289F #9FA528

tetradic

#289FA5 #6C28A5 #A52E28 #60A528

square

#289FA5 #6C28A5 #A52E28 #60A528

split-complementary

#289FA5 #A52860 #A56C28

monochromatic

#104042 #1C7074 #289FA5 #3BC8CF #6CD6DB

Accessibility & contrast

On white

3.19

#289FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#289FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FA5

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FA5	#FFFFFF	#000000	##000000
##289FA5	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9398A6

Deuteranopia (green-blind)

#818BA6

Tritanopia (blue-blind)

#00A5A1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #289fa5;
/* rgb */ color: rgb(40, 159, 165);
/* oklch */ color: oklch(64.3% 0.100 200.1);

Tailwind

colors: {
  custom: {
    50: '#78bcbf',
    500: '#289fa5',
    950: '#000000',
  },
}

SCSS

$custom: #289fa5;
$custom-light: #78bcbf;
$custom-dark: #000000;

JSON

{
  "hex": "#289fa5",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 165
  },
  "hsl": {
    "h": 182.88,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.64281,
    "c": 0.09996,
    "h": 200.1
  },
  "luminance": 0.27964
}

Semantic roles & 50–950 ramp

primary

#289FA5

secondary

#C26B67

accent

#4B44E4

background

#F7FBFB

surface

#EEF6F7

border

#C9D0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #289FA5

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

Preview Lab → · Contrast checker → · Palette generator →