#289BBA#289BBA

#289BBA is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.1% C 0.107 H 220.7°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#289BBA
RGB	rgb(40, 155, 186)
HSL	hsl(193, 65%, 44%)
HSV	hsv(193, 78%, 73%)
CMYK	cmyk(78.5%, 16.7%, 0%, 27.1%)
CIE-LAB	lab(59.38, -20.45, -24.97)
CIE-LCH	lch(59.38, 32.28, 230.67°)
OKLab	oklab(64.15% -0.0811 -0.0699)
OKLCH	oklch(64.15% 0.107 220.7)
XYZ	xyz(21.4556, 27.4363, 50.6098)
Luminance	0.2744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289BBA #BA4728

analogous

#28BA90 #289BBA #2852BA

triadic

#289BBA #BA289B #9BBA28

tetradic

#289BBA #9028BA #BA4728 #52BA28

square

#289BBA #9028BA #BA4728 #52BA28

split-complementary

#289BBA #BA2852 #BA9028

monochromatic

#124755 #1D7188 #289BBA #48B9D8 #7ACCE2

Accessibility & contrast

On white

3.24

#289BBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#289BBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289BBA

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289BBA	#FFFFFF	#000000	##000000
##289BBA	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BC

Deuteranopia (green-blind)

#7589BA

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #289bba;
/* rgb */ color: rgb(40, 155, 186);
/* oklch */ color: oklch(64.1% 0.107 220.7);

Tailwind

colors: {
  custom: {
    50: '#7ab8ce',
    500: '#289bba',
    950: '#000000',
  },
}

SCSS

$custom: #289bba;
$custom-light: #7ab8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#289bba",
  "rgb": {
    "r": 40,
    "g": 155,
    "b": 186
  },
  "hsl": {
    "h": 192.74,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.64146,
    "c": 0.1071,
    "h": 220.7
  },
  "luminance": 0.27439
}

Semantic roles & 50–950 ramp

primary

#289BBA

secondary

#CA8673

accent

#6440E8

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #289BBA

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

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