#2851B7#2851B7

#2851B7 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.168 H 264.3°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#2851B7
RGB	rgb(40, 81, 183)
HSL	hsl(223, 64%, 44%)
HSV	hsv(223, 78%, 72%)
CMYK	cmyk(78.1%, 55.7%, 0%, 28.2%)
CIE-LAB	lab(37.40, 23.17, -58.03)
CIE-LCH	lch(37.40, 62.49, 291.77°)
OKLab	oklab(46.87% -0.0168 -0.1674)
OKLCH	oklch(46.87% 0.168 264.3)
XYZ	xyz(12.3617, 9.7535, 46.0217)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2851B7 #B78E28

analogous

#2898B7 #2851B7 #4628B7

triadic

#2851B7 #B72851 #51B728

tetradic

#2851B7 #B72898 #B78E28 #28B746

square

#2851B7 #B72898 #B78E28 #28B746

split-complementary

#2851B7 #B74628 #98B728

monochromatic

#122553 #1D3B85 #2851B7 #466FD6 #7896E1

Accessibility & contrast

On white

7.12

#2851B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#2851B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2851B7

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2851B7	#FFFFFF	#000000	##FFFFFF
##2851B7	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBB

Deuteranopia (green-blind)

#0052B5

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2851b7;
/* rgb */ color: rgb(40, 81, 183);
/* oklch */ color: oklch(46.9% 0.168 264.3);

Tailwind

colors: {
  custom: {
    50: '#7881cd',
    500: '#2851b7',
    950: '#000000',
  },
}

SCSS

$custom: #2851b7;
$custom-light: #7881cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2851b7",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 183
  },
  "hsl": {
    "h": 222.797,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46865,
    "c": 0.16827,
    "h": 264.3
  },
  "luminance": 0.09755
}

Semantic roles & 50–950 ramp

primary

#2851B7

secondary

#C9B072

accent

#B741E7

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2851B7

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

Preview Lab → · Contrast checker → · Palette generator →