#2881B1#2881B1

#2881B1 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.4% C 0.110 H 237.3°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2881B1
RGB	rgb(40, 129, 177)
HSL	hsl(201, 63%, 43%)
HSV	hsv(201, 77%, 69%)
CMYK	cmyk(77.4%, 27.1%, 0%, 30.6%)
CIE-LAB	lab(51.06, -9.26, -32.73)
CIE-LCH	lch(51.06, 34.01, 254.20°)
OKLab	oklab(57.38% -0.0594 -0.0924)
OKLCH	oklch(57.38% 0.11 237.3)
XYZ	xyz(16.6580, 19.3240, 44.4384)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2881B1 #B15828

analogous

#28B19D #2881B1 #283CB1

triadic

#2881B1 #B12881 #81B128

tetradic

#2881B1 #9D28B1 #B15828 #3CB128

square

#2881B1 #9D28B1 #B15828 #3CB128

split-complementary

#2881B1 #B1283C #B19D28

monochromatic

#11384D #1D5D7F #2881B1 #42A1D4 #74BAE0

Accessibility & contrast

On white

4.32

#2881B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#2881B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2881B1

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2881B1	#FFFFFF	#000000	##000000
##2881B1	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B3

Deuteranopia (green-blind)

#5874B0

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2881b1;
/* rgb */ color: rgb(40, 129, 177);
/* oklch */ color: oklch(57.4% 0.110 237.3);

Tailwind

colors: {
  custom: {
    50: '#77a5c8',
    500: '#2881b1',
    950: '#000000',
  },
}

SCSS

$custom: #2881b1;
$custom-light: #77a5c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2881b1",
  "rgb": {
    "r": 40,
    "g": 129,
    "b": 177
  },
  "hsl": {
    "h": 201.022,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.57375,
    "c": 0.10985,
    "h": 237.3
  },
  "luminance": 0.19326
}

Semantic roles & 50–950 ramp

primary

#2881B1

secondary

#C78D6E

accent

#7B42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2881B1

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

Preview Lab → · Contrast checker → · Palette generator →