#2851B5#2851B5

#2851B5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.166 H 264.1°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#2851B5
RGB	rgb(40, 81, 181)
HSL	hsl(223, 64%, 43%)
HSV	hsv(223, 78%, 71%)
CMYK	cmyk(77.9%, 55.2%, 0%, 29%)
CIE-LAB	lab(37.24, 22.40, -57.10)
CIE-LCH	lch(37.24, 61.34, 291.42°)
OKLab	oklab(46.7% -0.0169 -0.1647)
OKLCH	oklch(46.7% 0.166 264.1)
XYZ	xyz(12.1550, 9.6708, 44.9331)
Luminance	0.0967 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2851B5 #B58C28

analogous

#2897B5 #2851B5 #4528B5

triadic

#2851B5 #B52851 #51B528

tetradic

#2851B5 #B52897 #B58C28 #28B545

square

#2851B5 #B52897 #B58C28 #28B545

split-complementary

#2851B5 #B54528 #97B528

monochromatic

#122451 #1D3B83 #2851B5 #446FD6 #7795E1

Accessibility & contrast

On white

7.16

#2851B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2851B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2851B5

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2851B5	#FFFFFF	#000000	##FFFFFF
##2851B5	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB8

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2851b5;
/* rgb */ color: rgb(40, 81, 181);
/* oklch */ color: oklch(46.7% 0.166 264.1);

Tailwind

colors: {
  custom: {
    50: '#7881cc',
    500: '#2851b5',
    950: '#000000',
  },
}

SCSS

$custom: #2851b5;
$custom-light: #7881cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2851b5",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 181
  },
  "hsl": {
    "h": 222.553,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.46703,
    "c": 0.16556,
    "h": 264.1
  },
  "luminance": 0.09672
}

Semantic roles & 50–950 ramp

primary

#2851B5

secondary

#C8AF70

accent

#B741E7

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2851B5

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

Preview Lab → · Contrast checker → · Palette generator →