#2899B5#2899B5

#2899B5 is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.4% C 0.104 H 218.8°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#2899B5
RGB	rgb(40, 153, 181)
HSL	hsl(192, 64%, 43%)
HSV	hsv(192, 78%, 71%)
CMYK	cmyk(77.9%, 15.5%, 0%, 29%)
CIE-LAB	lab(58.57, -21.07, -23.38)
CIE-LCH	lch(58.57, 31.47, 227.97°)
OKLab	oklab(63.43% -0.0812 -0.0654)
OKLCH	oklch(63.43% 0.104 218.8)
XYZ	xyz(20.6033, 26.5673, 47.7492)
Luminance	0.2657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2899B5 #B54428

analogous

#28B58A #2899B5 #2852B5

triadic

#2899B5 #B52899 #99B528

tetradic

#2899B5 #8A28B5 #B54428 #52B528

square

#2899B5 #8A28B5 #B54428 #52B528

split-complementary

#2899B5 #B52852 #B58A28

monochromatic

#124451 #1D6F83 #2899B5 #44B9D6 #77CCE1

Accessibility & contrast

On white

3.33

#2899B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#2899B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2899B5

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2899B5	#FFFFFF	#000000	##000000
##2899B5	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)

#8795B7

Deuteranopia (green-blind)

#7587B5

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #2899b5;
/* rgb */ color: rgb(40, 153, 181);
/* oklch */ color: oklch(63.4% 0.104 218.8);

Tailwind

colors: {
  custom: {
    50: '#79b7cb',
    500: '#2899b5',
    950: '#000000',
  },
}

SCSS

$custom: #2899b5;
$custom-light: #79b7cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2899b5",
  "rgb": {
    "r": 40,
    "g": 153,
    "b": 181
  },
  "hsl": {
    "h": 191.915,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.63435,
    "c": 0.10423,
    "h": 218.8
  },
  "luminance": 0.2657
}

Semantic roles & 50–950 ramp

primary

#2899B5

secondary

#C88270

accent

#6241E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #2899B5

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

Preview Lab → · Contrast checker → · Palette generator →