#289FD1#289FD1

#289FD1 is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.2% C 0.124 H 231.9°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#289FD1
RGB	rgb(40, 159, 209)
HSL	hsl(198, 68%, 49%)
HSV	hsv(198, 81%, 82%)
CMYK	cmyk(80.9%, 23.9%, 0%, 18%)
CIE-LAB	lab(61.52, -14.74, -34.54)
CIE-LCH	lch(61.52, 37.55, 246.88°)
OKLab	oklab(66.18% -0.0764 -0.0974)
OKLCH	oklch(66.18% 0.124 231.9)
XYZ	xyz(24.7771, 29.8477, 64.7646)
Luminance	0.2985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FD1 #D15A28

analogous

#28D1AE #289FD1 #284BD1

triadic

#289FD1 #D1289F #9FD128

tetradic

#289FD1 #AE28D1 #D15A28 #4BD128

square

#289FD1 #AE28D1 #D15A28 #4BD128

split-complementary

#289FD1 #D1284B #D1AE28

monochromatic

#14516A #1E789E #289FD1 #57B7DF #8BCDE9

Accessibility & contrast

On white

3.01

#289FD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#289FD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FD1

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FD1	#FFFFFF	#000000	##000000
##289FD1	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869DD3

Deuteranopia (green-blind)

#708ED0

Tritanopia (blue-blind)

#00ACB0

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #289fd1;
/* rgb */ color: rgb(40, 159, 209);
/* oklch */ color: oklch(66.2% 0.124 231.9);

Tailwind

colors: {
  custom: {
    50: '#7ebbdf',
    500: '#289fd1',
    950: '#000000',
  },
}

SCSS

$custom: #289fd1;
$custom-light: #7ebbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#289fd1",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 209
  },
  "hsl": {
    "h": 197.751,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.66176,
    "c": 0.12377,
    "h": 231.9
  },
  "luminance": 0.29851
}

Semantic roles & 50–950 ramp

primary

#289FD1

secondary

#D39A82

accent

#703DEB

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #289FD1

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

Preview Lab → · Contrast checker → · Palette generator →