#289DBD#289DBD

#289DBD is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.8% C 0.109 H 221.1°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#289DBD
RGB	rgb(40, 157, 189)
HSL	hsl(193, 65%, 45%)
HSV	hsv(193, 79%, 74%)
CMYK	cmyk(78.8%, 16.9%, 0%, 25.9%)
CIE-LAB	lab(60.10, -20.50, -25.54)
CIE-LCH	lch(60.10, 32.75, 231.24°)
OKLab	oklab(64.77% -0.0819 -0.0715)
OKLCH	oklch(64.77% 0.109 221.1)
XYZ	xyz(22.1135, 28.2365, 52.4189)
Luminance	0.2824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289DBD #BD4828

analogous

#28BD93 #289DBD #2852BD

triadic

#289DBD #BD289D #9DBD28

tetradic

#289DBD #9328BD #BD4828 #52BD28

square

#289DBD #9328BD #BD4828 #52BD28

split-complementary

#289DBD #BD2852 #BD9328

monochromatic

#134958 #1D738A #289DBD #4ABAD9 #7CCDE3

Accessibility & contrast

On white

3.16

#289DBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#289DBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289DBD

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289DBD	#FFFFFF	#000000	##000000
##289DBD	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BF

Deuteranopia (green-blind)

#768BBD

Tritanopia (blue-blind)

#00A7A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #289dbd;
/* rgb */ color: rgb(40, 157, 189);
/* oklch */ color: oklch(64.8% 0.109 221.1);

Tailwind

colors: {
  custom: {
    50: '#7abad1',
    500: '#289dbd',
    950: '#000000',
  },
}

SCSS

$custom: #289dbd;
$custom-light: #7abad1;
$custom-dark: #000000;

JSON

{
  "hex": "#289dbd",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 189
  },
  "hsl": {
    "h": 192.886,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.64767,
    "c": 0.10874,
    "h": 221.1
  },
  "luminance": 0.28239
}

Semantic roles & 50–950 ramp

primary

#289DBD

secondary

#CB8875

accent

#6440E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #289DBD

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

Preview Lab → · Contrast checker → · Palette generator →