#2857E2#2857E2

#2857E2 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 51.7% C 0.217 H 265.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#2857E2
RGB	rgb(40, 87, 226)
HSL	hsl(225, 76%, 52%)
HSV	hsv(225, 82%, 89%)
CMYK	cmyk(82.3%, 61.5%, 0%, 11.4%)
CIE-LAB	lab(42.39, 35.47, -74.73)
CIE-LCH	lch(42.39, 82.71, 295.39°)
OKLab	oklab(51.68% -0.0189 -0.2163)
OKLCH	oklch(51.68% 0.217 265)
XYZ	xyz(18.0059, 12.7563, 73.4500)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857E2 #E2B328

analogous

#28B4E2 #2857E2 #5628E2

triadic

#2857E2 #E22857 #57E228

tetradic

#2857E2 #E228B4 #E2B328 #28E256

square

#2857E2 #E228B4 #E2B328 #28E256

split-complementary

#2857E2 #E25628 #B4E228

monochromatic

#112D7F #1840B4 #2857E2 #5E81E9 #94ABF1

Accessibility & contrast

On white

5.91

#2857E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#2857E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857E2

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857E2	#FFFFFF	#000000	##FFFFFF
##2857E2	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE7

Deuteranopia (green-blind)

#005CDF

Tritanopia (blue-blind)

#007B94

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2857e2;
/* rgb */ color: rgb(40, 87, 226);
/* oklch */ color: oklch(51.7% 0.217 265.0);

Tailwind

colors: {
  custom: {
    50: '#8286ec',
    500: '#2857e2',
    950: '#000000',
  },
}

SCSS

$custom: #2857e2;
$custom-light: #8286ec;
$custom-dark: #000000;

JSON

{
  "hex": "#2857e2",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 226
  },
  "hsl": {
    "h": 224.839,
    "s": 76.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51676,
    "c": 0.21714,
    "h": 265
  },
  "luminance": 0.12758
}

Semantic roles & 50–950 ramp

primary

#2857E2

secondary

#DCC78A

accent

#C335F3

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #2857E2

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

Preview Lab → · Contrast checker → · Palette generator →