#2876B3#2876B3

#2876B3 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 54.8% C 0.121 H 246.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#2876B3
RGB	rgb(40, 118, 179)
HSL	hsl(206, 63%, 43%)
HSV	hsv(206, 78%, 70%)
CMYK	cmyk(77.7%, 34.1%, 0%, 29.8%)
CIE-LAB	lab(47.83, -2.03, -38.97)
CIE-LCH	lch(47.83, 39.02, 267.01°)
OKLab	oklab(54.85% -0.0483 -0.1107)
OKLCH	oklch(54.85% 0.121 246.4)
XYZ	xyz(15.4871, 16.6608, 45.0387)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2876B3 #B36528

analogous

#28B3AA #2876B3 #2830B3

triadic

#2876B3 #B32876 #76B328

tetradic

#2876B3 #AA28B3 #B36528 #30B328

square

#2876B3 #AA28B3 #B36528 #30B328

split-complementary

#2876B3 #B32830 #B3AA28

monochromatic

#12344F #1D5581 #2876B3 #4395D5 #75B1E0

Accessibility & contrast

On white

4.85

#2876B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#2876B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2876B3

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2876B3	#FFFFFF	#000000	##FFFFFF
##2876B3	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A79B6

Deuteranopia (green-blind)

#466CB2

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2876b3;
/* rgb */ color: rgb(40, 118, 179);
/* oklch */ color: oklch(54.8% 0.121 246.4);

Tailwind

colors: {
  custom: {
    50: '#779dca',
    500: '#2876b3',
    950: '#000000',
  },
}

SCSS

$custom: #2876b3;
$custom-light: #779dca;
$custom-dark: #000000;

JSON

{
  "hex": "#2876b3",
  "rgb": {
    "r": 40,
    "g": 118,
    "b": 179
  },
  "hsl": {
    "h": 206.331,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.54847,
    "c": 0.12083,
    "h": 246.4
  },
  "luminance": 0.16663
}

Semantic roles & 50–950 ramp

primary

#2876B3

secondary

#C8966F

accent

#8A41E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2876B3

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

Preview Lab → · Contrast checker → · Palette generator →