#2877C5#2877C5

#2877C5 is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.2% C 0.142 H 251.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#2877C5
RGB	rgb(40, 119, 197)
HSL	hsl(210, 66%, 46%)
HSV	hsv(210, 80%, 77%)
CMYK	cmyk(79.7%, 39.6%, 0%, 22.7%)
CIE-LAB	lab(49.10, 4.10, -47.33)
CIE-LCH	lch(49.10, 47.51, 274.95°)
OKLab	oklab(56.16% -0.0445 -0.1352)
OKLCH	oklch(56.16% 0.142 251.8)
XYZ	xyz(17.5461, 17.6739, 55.2991)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2877C5 #C57628

analogous

#28C5C5 #2877C5 #2828C5

triadic

#2877C5 #C52877 #77C528

tetradic

#2877C5 #C528C5 #C57628 #28C528

square

#2877C5 #C528C5 #C57628 #28C528

split-complementary

#2877C5 #C52828 #C5C528

monochromatic

#133A5F #1E5892 #2877C5 #4F96DB #82B4E6

Accessibility & contrast

On white

4.63

#2877C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#2877C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2877C5

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2877C5	#FFFFFF	#000000	##FFFFFF
##2877C5	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517CC8

Deuteranopia (green-blind)

#386EC3

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2877c5;
/* rgb */ color: rgb(40, 119, 197);
/* oklch */ color: oklch(56.2% 0.142 251.8);

Tailwind

colors: {
  custom: {
    50: '#7a9dd7',
    500: '#2877c5',
    950: '#000000',
  },
}

SCSS

$custom: #2877c5;
$custom-light: #7a9dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#2877c5",
  "rgb": {
    "r": 40,
    "g": 119,
    "b": 197
  },
  "hsl": {
    "h": 209.809,
    "s": 66.245,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56159,
    "c": 0.14236,
    "h": 251.8
  },
  "luminance": 0.17676
}

Semantic roles & 50–950 ramp

primary

#2877C5

secondary

#CEA47A

accent

#933FE9

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2877C5

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

Preview Lab → · Contrast checker → · Palette generator →