#2851B9#2851B9

#2851B9 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.171 H 264.4°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#2851B9
RGB	rgb(40, 81, 185)
HSL	hsl(223, 64%, 44%)
HSV	hsv(223, 78%, 73%)
CMYK	cmyk(78.4%, 56.2%, 0%, 27.5%)
CIE-LAB	lab(37.55, 23.94, -58.96)
CIE-LCH	lch(37.55, 63.63, 292.10°)
OKLab	oklab(47.03% -0.0166 -0.1702)
OKLCH	oklch(47.03% 0.171 264.4)
XYZ	xyz(12.5713, 9.8373, 47.1258)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2851B9 #B99028

analogous

#289AB9 #2851B9 #4728B9

triadic

#2851B9 #B92851 #51B928

tetradic

#2851B9 #B9289A #B99028 #28B947

square

#2851B9 #B9289A #B99028 #28B947

split-complementary

#2851B9 #B94728 #9AB928

monochromatic

#122554 #1D3B87 #2851B9 #4770D7 #7997E2

Accessibility & contrast

On white

7.08

#2851B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2851B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2851B9

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2851B9	#FFFFFF	#000000	##FFFFFF
##2851B9	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBD

Deuteranopia (green-blind)

#0052B7

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2851b9;
/* rgb */ color: rgb(40, 81, 185);
/* oklch */ color: oklch(47.0% 0.171 264.4);

Tailwind

colors: {
  custom: {
    50: '#7981cf',
    500: '#2851b9',
    950: '#000000',
  },
}

SCSS

$custom: #2851b9;
$custom-light: #7981cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2851b9",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 185
  },
  "hsl": {
    "h": 223.034,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47028,
    "c": 0.17097,
    "h": 264.4
  },
  "luminance": 0.09839
}

Semantic roles & 50–950 ramp

primary

#2851B9

secondary

#CAB173

accent

#B840E7

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2851B9

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

Preview Lab → · Contrast checker → · Palette generator →