#2877B2#2877B2

#2877B2 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.0% C 0.119 H 245.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#2877B2
RGB	rgb(40, 119, 178)
HSL	hsl(206, 63%, 43%)
HSV	hsv(206, 78%, 70%)
CMYK	cmyk(77.5%, 33.1%, 0%, 30.2%)
CIE-LAB	lab(48.08, -3.01, -37.99)
CIE-LCH	lch(48.08, 38.11, 265.47°)
OKLab	oklab(55.03% -0.0496 -0.1079)
OKLCH	oklch(55.03% 0.119 245.3)
XYZ	xyz(15.5047, 16.8573, 44.5475)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2877B2 #B26328

analogous

#28B2A8 #2877B2 #2832B2

triadic

#2877B2 #B22877 #77B228

tetradic

#2877B2 #A828B2 #B26328 #32B228

square

#2877B2 #A828B2 #B26328 #32B228

split-complementary

#2877B2 #B22832 #B2A828

monochromatic

#12344E #1D5680 #2877B2 #4396D5 #75B2E0

Accessibility & contrast

On white

4.80

#2877B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#2877B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2877B2

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2877B2	#FFFFFF	#000000	##FFFFFF
##2877B2	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C79B5

Deuteranopia (green-blind)

#486CB1

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2877b2;
/* rgb */ color: rgb(40, 119, 178);
/* oklch */ color: oklch(55.0% 0.119 245.3);

Tailwind

colors: {
  custom: {
    50: '#769dc9',
    500: '#2877b2',
    950: '#000000',
  },
}

SCSS

$custom: #2877b2;
$custom-light: #769dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2877b2",
  "rgb": {
    "r": 40,
    "g": 119,
    "b": 178
  },
  "hsl": {
    "h": 205.652,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55028,
    "c": 0.11873,
    "h": 245.3
  },
  "luminance": 0.16859
}

Semantic roles & 50–950 ramp

primary

#2877B2

secondary

#C7946F

accent

#8841E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2877B2

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

Preview Lab → · Contrast checker → · Palette generator →