#289FBB#289FBB

#289FBB is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.2% C 0.107 H 217.9°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#289FBB
RGB	rgb(40, 159, 187)
HSL	hsl(191, 65%, 45%)
HSV	hsv(191, 79%, 73%)
CMYK	cmyk(78.6%, 15%, 0%, 26.7%)
CIE-LAB	lab(60.63, -22.21, -23.60)
CIE-LCH	lch(60.63, 32.41, 226.73°)
OKLab	oklab(65.17% -0.0846 -0.066)
OKLCH	oklch(65.17% 0.107 217.9)
XYZ	xyz(22.2390, 28.8325, 51.3972)
Luminance	0.2883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289FBB #BB4428

analogous

#28BB8E #289FBB #2855BB

triadic

#289FBB #BB289F #9FBB28

tetradic

#289FBB #8E28BB #BB4428 #55BB28

square

#289FBB #8E28BB #BB4428 #55BB28

split-complementary

#289FBB #BB2855 #BB8E28

monochromatic

#124956 #1D7489 #289FBB #48BDD8 #7BCFE3

Accessibility & contrast

On white

3.10

#289FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#289FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FBB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289FBB	#FFFFFF	#000000	##000000
##289FBB	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9ABD

Deuteranopia (green-blind)

#798CBB

Tritanopia (blue-blind)

#00A9A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #289fbb;
/* rgb */ color: rgb(40, 159, 187);
/* oklch */ color: oklch(65.2% 0.107 217.9);

Tailwind

colors: {
  custom: {
    50: '#7abbcf',
    500: '#289fbb',
    950: '#000000',
  },
}

SCSS

$custom: #289fbb;
$custom-light: #7abbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#289fbb",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 191.429,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.65169,
    "c": 0.1073,
    "h": 217.9
  },
  "luminance": 0.28835
}

Semantic roles & 50–950 ramp

primary

#289FBB

secondary

#CB8574

accent

#6040E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #289FBB

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

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