#289FB7#289FB7

#289FB7 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.0% C 0.105 H 214.9°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#289FB7
RGB	rgb(40, 159, 183)
HSL	hsl(190, 64%, 44%)
HSV	hsv(190, 78%, 72%)
CMYK	cmyk(78.1%, 13.1%, 0%, 28.2%)
CIE-LAB	lab(60.48, -23.53, -21.58)
CIE-LCH	lch(60.48, 31.93, 222.52°)
OKLab	oklab(65% -0.0862 -0.0602)
OKLCH	oklch(65% 0.105 214.9)
XYZ	xyz(21.8168, 28.6636, 49.1734)
Luminance	0.2867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FB7 #B74028

analogous

#28B787 #289FB7 #2857B7

triadic

#289FB7 #B7289F #9FB728

tetradic

#289FB7 #8728B7 #B74028 #57B728

square

#289FB7 #8728B7 #B74028 #57B728

split-complementary

#289FB7 #B72857 #B78728

monochromatic

#124853 #1D7385 #289FB7 #46BED6 #78D0E1

Accessibility & contrast

On white

3.12

#289FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#289FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FB7

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FB7	#FFFFFF	#000000	##000000
##289FB7	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9AB8

Deuteranopia (green-blind)

#7B8CB7

Tritanopia (blue-blind)

#00A8A6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #289fb7;
/* rgb */ color: rgb(40, 159, 183);
/* oklch */ color: oklch(65.0% 0.105 214.9);

Tailwind

colors: {
  custom: {
    50: '#7abbcc',
    500: '#289fb7',
    950: '#000000',
  },
}

SCSS

$custom: #289fb7;
$custom-light: #7abbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#289fb7",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 183
  },
  "hsl": {
    "h": 190.07,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.64999,
    "c": 0.10518,
    "h": 214.9
  },
  "luminance": 0.28666
}

Semantic roles & 50–950 ramp

primary

#289FB7

secondary

#C98072

accent

#5D41E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #289FB7

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

Preview Lab → · Contrast checker → · Palette generator →