#2857AB#2857AB

#2857AB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.2% C 0.144 H 261.0°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#2857AB
RGB	rgb(40, 87, 171)
HSL	hsl(218, 62%, 41%)
HSV	hsv(218, 77%, 67%)
CMYK	cmyk(76.6%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(38.21, 14.57, -49.63)
CIE-LCH	lch(38.21, 51.72, 286.36°)
OKLab	oklab(47.21% -0.0227 -0.1426)
OKLCH	oklch(47.21% 0.144 261)
XYZ	xyz(11.6313, 10.2065, 39.8772)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857AB #AB7C28

analogous

#2899AB #2857AB #3B28AB

triadic

#2857AB #AB2857 #57AB28

tetradic

#2857AB #AB2899 #AB7C28 #28AB3B

square

#2857AB #AB2899 #AB7C28 #28AB3B

split-complementary

#2857AB #AB3B28 #99AB28

monochromatic

#112548 #1C3E79 #2857AB #3E73D2 #7097DE

Accessibility & contrast

On white

6.90

#2857AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2857AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857AB

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857AB	#FFFFFF	#000000	##FFFFFF
##2857AB	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2760AE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2857ab;
/* rgb */ color: rgb(40, 87, 171);
/* oklch */ color: oklch(47.2% 0.144 261.0);

Tailwind

colors: {
  custom: {
    50: '#7585c5',
    500: '#2857ab',
    950: '#000000',
  },
}

SCSS

$custom: #2857ab;
$custom-light: #7585c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2857ab",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 218.473,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47211,
    "c": 0.14439,
    "h": 261
  },
  "luminance": 0.10208
}

Semantic roles & 50–950 ramp

primary

#2857AB

secondary

#C4A46A

accent

#AB43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2857AB

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

Preview Lab → · Contrast checker → · Palette generator →