#2875B3#2875B3

#2875B3 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.6% C 0.122 H 247.1°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2875B3
RGB	rgb(40, 117, 179)
HSL	hsl(207, 63%, 43%)
HSV	hsv(207, 78%, 70%)
CMYK	cmyk(77.7%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.53, -1.43, -39.44)
CIE-LCH	lch(47.53, 39.47, 267.93°)
OKLab	oklab(54.61% -0.0474 -0.1121)
OKLCH	oklch(54.61% 0.122 247.1)
XYZ	xyz(15.3699, 16.4265, 44.9997)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2875B3 #B36628

analogous

#28B3AB #2875B3 #282FB3

triadic

#2875B3 #B32875 #75B328

tetradic

#2875B3 #AB28B3 #B36628 #2FB328

square

#2875B3 #AB28B3 #B36628 #2FB328

split-complementary

#2875B3 #B3282F #B3AB28

monochromatic

#12344F #1D5481 #2875B3 #4394D5 #75B0E0

Accessibility & contrast

On white

4.90

#2875B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#2875B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2875B3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2875B3	#FFFFFF	#000000	##FFFFFF
##2875B3	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B6

Deuteranopia (green-blind)

#446BB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2875b3;
/* rgb */ color: rgb(40, 117, 179);
/* oklch */ color: oklch(54.6% 0.122 247.1);

Tailwind

colors: {
  custom: {
    50: '#779cca',
    500: '#2875b3',
    950: '#000000',
  },
}

SCSS

$custom: #2875b3;
$custom-light: #779cca;
$custom-dark: #000000;

JSON

{
  "hex": "#2875b3",
  "rgb": {
    "r": 40,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 206.763,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.54611,
    "c": 0.12177,
    "h": 247.1
  },
  "luminance": 0.16428
}

Semantic roles & 50–950 ramp

primary

#2875B3

secondary

#C8976F

accent

#8B41E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2875B3

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

Preview Lab → · Contrast checker → · Palette generator →