#289CBD#289CBD

#289CBD is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.5% C 0.109 H 222.0°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#289CBD
RGB	rgb(40, 156, 189)
HSL	hsl(193, 65%, 45%)
HSV	hsv(193, 79%, 74%)
CMYK	cmyk(78.8%, 17.5%, 0%, 25.9%)
CIE-LAB	lab(59.80, -19.98, -26.01)
CIE-LCH	lch(59.80, 32.79, 232.47°)
OKLab	oklab(64.52% -0.0809 -0.0729)
OKLCH	oklch(64.52% 0.109 222)
XYZ	xyz(21.9450, 27.8995, 52.3628)
Luminance	0.2790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289CBD #BD4928

analogous

#28BD94 #289CBD #2851BD

triadic

#289CBD #BD289C #9CBD28

tetradic

#289CBD #9428BD #BD4928 #51BD28

square

#289CBD #9428BD #BD4928 #51BD28

split-complementary

#289CBD #BD2851 #BD9428

monochromatic

#134958 #1D728A #289CBD #4AB9D9 #7CCCE3

Accessibility & contrast

On white

3.19

#289CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#289CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CBD

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289CBD	#FFFFFF	#000000	##000000
##289CBD	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998BF

Deuteranopia (green-blind)

#758ABD

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #289cbd;
/* rgb */ color: rgb(40, 156, 189);
/* oklch */ color: oklch(64.5% 0.109 222.0);

Tailwind

colors: {
  custom: {
    50: '#7ab9d1',
    500: '#289cbd',
    950: '#000000',
  },
}

SCSS

$custom: #289cbd;
$custom-light: #7ab9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#289cbd",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 189
  },
  "hsl": {
    "h": 193.289,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.64523,
    "c": 0.10891,
    "h": 222
  },
  "luminance": 0.27902
}

Semantic roles & 50–950 ramp

primary

#289CBD

secondary

#CB8875

accent

#6540E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #289CBD

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

Preview Lab → · Contrast checker → · Palette generator →