#289AB6#289AB6

#289AB6 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 63.7% C 0.105 H 218.7°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#289AB6
RGB	rgb(40, 154, 182)
HSL	hsl(192, 64%, 44%)
HSV	hsv(192, 78%, 71%)
CMYK	cmyk(78%, 15.4%, 0%, 28.6%)
CIE-LAB	lab(58.92, -21.27, -23.41)
CIE-LCH	lch(58.92, 31.63, 227.75°)
OKLab	oklab(63.73% -0.0818 -0.0655)
OKLCH	oklch(63.73% 0.105 218.7)
XYZ	xyz(20.8706, 26.9372, 48.3463)
Luminance	0.2694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289AB6 #B64428

analogous

#28B68B #289AB6 #2853B6

triadic

#289AB6 #B6289A #9AB628

tetradic

#289AB6 #8B28B6 #B64428 #53B628

square

#289AB6 #8B28B6 #B64428 #53B628

split-complementary

#289AB6 #B62853 #B68B28

monochromatic

#124552 #1D7084 #289AB6 #45BAD6 #77CCE1

Accessibility & contrast

On white

3.29

#289AB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#289AB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289AB6

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289AB6	#FFFFFF	#000000	##000000
##289AB6	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8896B8

Deuteranopia (green-blind)

#7588B6

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #289ab6;
/* rgb */ color: rgb(40, 154, 182);
/* oklch */ color: oklch(63.7% 0.105 218.7);

Tailwind

colors: {
  custom: {
    50: '#79b8cc',
    500: '#289ab6',
    950: '#000000',
  },
}

SCSS

$custom: #289ab6;
$custom-light: #79b8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#289ab6",
  "rgb": {
    "r": 40,
    "g": 154,
    "b": 182
  },
  "hsl": {
    "h": 191.831,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.63725,
    "c": 0.10474,
    "h": 218.7
  },
  "luminance": 0.2694
}

Semantic roles & 50–950 ramp

primary

#289AB6

secondary

#C98271

accent

#6241E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289AB6

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

Preview Lab → · Contrast checker → · Palette generator →