#4851BB#4851BB

#4851BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.8% C 0.165 H 274.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4851BB
RGB	rgb(72, 81, 187)
HSL	hsl(235, 46%, 51%)
HSV	hsv(235, 61%, 73%)
CMYK	cmyk(61.5%, 56.7%, 0%, 26.7%)
CIE-LAB	lab(39.33, 29.19, -57.17)
CIE-LCH	lch(39.33, 64.20, 297.05°)
OKLab	oklab(48.85% 0.0139 -0.1642)
OKLCH	oklch(48.85% 0.165 274.8)
XYZ	xyz(14.5816, 10.8493, 48.3298)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4851BB #BBB248

analogous

#488ABB #4851BB #7848BB

triadic

#4851BB #BB4851 #51BB48

tetradic

#4851BB #BB488A #BBB248 #48BB78

square

#4851BB #BB488A #BBB248 #48BB78

split-complementary

#4851BB #BB7848 #8ABB48

monochromatic

#252A64 #363D90 #4851BB #757BCC #A1A6DC

Accessibility & contrast

On white

6.62

#4851BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4851BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4851BB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4851BB	#FFFFFF	#000000	##FFFFFF
##4851BB	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4851bb;
/* rgb */ color: rgb(72, 81, 187);
/* oklch */ color: oklch(48.8% 0.165 274.8);

Tailwind

colors: {
  custom: {
    50: '#8681d0',
    500: '#4851bb',
    950: '#000000',
  },
}

SCSS

$custom: #4851bb;
$custom-light: #8681d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4851bb",
  "rgb": {
    "r": 72,
    "g": 81,
    "b": 187
  },
  "hsl": {
    "h": 235.304,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48845,
    "c": 0.16481,
    "h": 274.8
  },
  "luminance": 0.1085
}

Semantic roles & 50–950 ramp

primary

#4851BB

secondary

#C9C596

accent

#CB52D5

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4851BB

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

Preview Lab → · Contrast checker → · Palette generator →