#2851BD#2851BD

#2851BD is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.176 H 264.7°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#2851BD
RGB	rgb(40, 81, 189)
HSL	hsl(223, 65%, 45%)
HSV	hsv(223, 79%, 74%)
CMYK	cmyk(78.8%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(37.86, 25.47, -60.80)
CIE-LCH	lch(37.86, 65.92, 292.73°)
OKLab	oklab(47.36% -0.0164 -0.1756)
OKLCH	oklch(47.36% 0.176 264.7)
XYZ	xyz(12.9996, 10.0086, 49.3810)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2851BD #BD9428

analogous

#289CBD #2851BD #4928BD

triadic

#2851BD #BD2851 #51BD28

tetradic

#2851BD #BD289C #BD9428 #28BD49

square

#2851BD #BD289C #BD9428 #28BD49

split-complementary

#2851BD #BD4928 #9CBD28

monochromatic

#132658 #1D3B8A #2851BD #4A71D9 #7C98E3

Accessibility & contrast

On white

7.00

#2851BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#2851BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2851BD

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2851BD	#FFFFFF	#000000	##FFFFFF
##2851BD	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0052BB

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2851bd;
/* rgb */ color: rgb(40, 81, 189);
/* oklch */ color: oklch(47.4% 0.176 264.7);

Tailwind

colors: {
  custom: {
    50: '#7a81d2',
    500: '#2851bd',
    950: '#000000',
  },
}

SCSS

$custom: #2851bd;
$custom-light: #7a81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2851bd",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 223.49,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47358,
    "c": 0.17633,
    "h": 264.7
  },
  "luminance": 0.1001
}

Semantic roles & 50–950 ramp

primary

#2851BD

secondary

#CBB475

accent

#BA40E8

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2851BD

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

Preview Lab → · Contrast checker → · Palette generator →