#289EB7#289EB7

#289EB7 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.8% C 0.105 H 215.8°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#289EB7
RGB	rgb(40, 158, 183)
HSL	hsl(190, 64%, 44%)
HSV	hsv(190, 78%, 72%)
CMYK	cmyk(78.1%, 13.7%, 0%, 28.2%)
CIE-LAB	lab(60.18, -23.02, -22.04)
CIE-LCH	lch(60.18, 31.87, 223.77°)
OKLab	oklab(64.75% -0.0853 -0.0616)
OKLCH	oklch(64.75% 0.105 215.8)
XYZ	xyz(21.6455, 28.3211, 49.1163)
Luminance	0.2832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289EB7 #B74128

analogous

#28B788 #289EB7 #2856B7

triadic

#289EB7 #B7289E #9EB728

tetradic

#289EB7 #8828B7 #B74128 #56B728

square

#289EB7 #8828B7 #B74128 #56B728

split-complementary

#289EB7 #B72856 #B78828

monochromatic

#124753 #1D7385 #289EB7 #46BDD6 #78CFE1

Accessibility & contrast

On white

3.15

#289EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#289EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EB7

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289EB7	#FFFFFF	#000000	##000000
##289EB7	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D99B8

Deuteranopia (green-blind)

#7A8BB7

Tritanopia (blue-blind)

#00A7A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #289eb7;
/* rgb */ color: rgb(40, 158, 183);
/* oklch */ color: oklch(64.8% 0.105 215.8);

Tailwind

colors: {
  custom: {
    50: '#7abbcc',
    500: '#289eb7',
    950: '#000000',
  },
}

SCSS

$custom: #289eb7;
$custom-light: #7abbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#289eb7",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 183
  },
  "hsl": {
    "h": 190.49,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.64753,
    "c": 0.10516,
    "h": 215.8
  },
  "luminance": 0.28324
}

Semantic roles & 50–950 ramp

primary

#289EB7

secondary

#C98172

accent

#5E41E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289EB7

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

Preview Lab → · Contrast checker → · Palette generator →