#2889B3#2889B3

#2889B3 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.4% C 0.107 H 231.8°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#2889B3
RGB	rgb(40, 137, 179)
HSL	hsl(198, 63%, 43%)
HSV	hsv(198, 78%, 70%)
CMYK	cmyk(77.7%, 23.5%, 0%, 29.8%)
CIE-LAB	lab(53.59, -13.09, -29.93)
CIE-LCH	lch(53.59, 32.67, 246.38°)
OKLab	oklab(59.42% -0.0664 -0.0843)
OKLCH	oklch(59.42% 0.107 231.8)
XYZ	xyz(17.9541, 21.5949, 45.8611)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2889B3 #B35228

analogous

#28B397 #2889B3 #2844B3

triadic

#2889B3 #B32889 #89B328

tetradic

#2889B3 #9728B3 #B35228 #44B328

square

#2889B3 #9728B3 #B35228 #44B328

split-complementary

#2889B3 #B32844 #B39728

monochromatic

#123C4F #1D6381 #2889B3 #43A9D5 #75C0E0

Accessibility & contrast

On white

3.95

#2889B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#2889B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2889B3

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2889B3	#FFFFFF	#000000	##000000
##2889B3	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B5

Deuteranopia (green-blind)

#617AB2

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2889b3;
/* rgb */ color: rgb(40, 137, 179);
/* oklch */ color: oklch(59.4% 0.107 231.8);

Tailwind

colors: {
  custom: {
    50: '#77abca',
    500: '#2889b3',
    950: '#000000',
  },
}

SCSS

$custom: #2889b3;
$custom-light: #77abca;
$custom-dark: #000000;

JSON

{
  "hex": "#2889b3",
  "rgb": {
    "r": 40,
    "g": 137,
    "b": 179
  },
  "hsl": {
    "h": 198.129,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5942,
    "c": 0.10727,
    "h": 231.8
  },
  "luminance": 0.21597
}

Semantic roles & 50–950 ramp

primary

#2889B3

secondary

#C88A6F

accent

#7341E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2889B3

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

Preview Lab → · Contrast checker → · Palette generator →