#2899B4#2899B4

#2899B4 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.4% C 0.104 H 218.1°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#2899B4
RGB	rgb(40, 153, 180)
HSL	hsl(192, 64%, 43%)
HSV	hsv(192, 78%, 71%)
CMYK	cmyk(77.8%, 15%, 0%, 29.4%)
CIE-LAB	lab(58.53, -21.41, -22.87)
CIE-LCH	lch(58.53, 31.33, 226.89°)
OKLab	oklab(63.39% -0.0816 -0.0639)
OKLCH	oklch(63.39% 0.104 218.1)
XYZ	xyz(20.5010, 26.5264, 47.2108)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2899B4 #B44328

analogous

#28B489 #2899B4 #2853B4

triadic

#2899B4 #B42899 #99B428

tetradic

#2899B4 #8928B4 #B44328 #53B428

square

#2899B4 #8928B4 #B44328 #53B428

split-complementary

#2899B4 #B42853 #B48928

monochromatic

#124450 #1D6E82 #2899B4 #44B9D5 #76CCE1

Accessibility & contrast

On white

3.33

#2899B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#2899B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2899B4

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2899B4	#FFFFFF	#000000	##000000
##2899B4	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8894B5

Deuteranopia (green-blind)

#7587B4

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #2899b4;
/* rgb */ color: rgb(40, 153, 180);
/* oklch */ color: oklch(63.4% 0.104 218.1);

Tailwind

colors: {
  custom: {
    50: '#79b7ca',
    500: '#2899b4',
    950: '#000000',
  },
}

SCSS

$custom: #2899b4;
$custom-light: #79b7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2899b4",
  "rgb": {
    "r": 40,
    "g": 153,
    "b": 180
  },
  "hsl": {
    "h": 191.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.63391,
    "c": 0.10364,
    "h": 218.1
  },
  "luminance": 0.26529
}

Semantic roles & 50–950 ramp

primary

#2899B4

secondary

#C88170

accent

#6141E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2899B4

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

Preview Lab → · Contrast checker → · Palette generator →