#2899B1#2899B1

#2899B1 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.3% C 0.102 H 215.7°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#2899B1
RGB	rgb(40, 153, 177)
HSL	hsl(191, 63%, 43%)
HSV	hsv(191, 77%, 69%)
CMYK	cmyk(77.4%, 13.6%, 0%, 30.6%)
CIE-LAB	lab(58.42, -22.40, -21.34)
CIE-LCH	lch(58.42, 30.94, 223.62°)
OKLab	oklab(63.26% -0.0828 -0.0596)
OKLCH	oklch(63.26% 0.102 215.7)
XYZ	xyz(20.1987, 26.4054, 45.6186)
Luminance	0.2641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2899B1 #B14028

analogous

#28B185 #2899B1 #2854B1

triadic

#2899B1 #B12899 #99B128

tetradic

#2899B1 #8528B1 #B14028 #54B128

square

#2899B1 #8528B1 #B14028 #54B128

split-complementary

#2899B1 #B12854 #B18528

monochromatic

#11434D #1D6E7F #2899B1 #42BBD4 #74CDE0

Accessibility & contrast

On white

3.34

#2899B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#2899B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2899B1

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2899B1	#FFFFFF	#000000	##000000
##2899B1	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8994B2

Deuteranopia (green-blind)

#7687B1

Tritanopia (blue-blind)

#00A2A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #2899b1;
/* rgb */ color: rgb(40, 153, 177);
/* oklch */ color: oklch(63.3% 0.102 215.7);

Tailwind

colors: {
  custom: {
    50: '#78b7c8',
    500: '#2899b1',
    950: '#000000',
  },
}

SCSS

$custom: #2899b1;
$custom-light: #78b7c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2899b1",
  "rgb": {
    "r": 40,
    "g": 153,
    "b": 177
  },
  "hsl": {
    "h": 190.511,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.63263,
    "c": 0.10201,
    "h": 215.7
  },
  "luminance": 0.26408
}

Semantic roles & 50–950 ramp

primary

#2899B1

secondary

#C77E6E

accent

#5E42E6

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2899B1

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

Preview Lab → · Contrast checker → · Palette generator →