#4751BD#4751BD

#4751BD is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.168 H 274.4°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#4751BD
RGB	rgb(71, 81, 189)
HSL	hsl(235, 47%, 51%)
HSV	hsv(235, 62%, 74%)
CMYK	cmyk(62.4%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(39.41, 29.71, -58.22)
CIE-LCH	lch(39.41, 65.36, 297.03°)
OKLab	oklab(48.94% 0.0128 -0.1673)
OKLCH	oklch(48.94% 0.168 274.4)
XYZ	xyz(14.7232, 10.8974, 49.4618)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751BD #BDB347

analogous

#478CBD #4751BD #7847BD

triadic

#4751BD #BD4751 #51BD47

tetradic

#4751BD #BD478C #BDB347 #47BD78

square

#4751BD #BD478C #BDB347 #47BD78

split-complementary

#4751BD #BD7847 #8CBD47

monochromatic

#242A65 #343C92 #4751BD #747CCD #A1A6DD

Accessibility & contrast

On white

6.60

#4751BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4751BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751BD

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751BD	#FFFFFF	#000000	##FFFFFF
##4751BD	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C1

Deuteranopia (green-blind)

#0058BB

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4751bd;
/* rgb */ color: rgb(71, 81, 189);
/* oklch */ color: oklch(48.9% 0.168 274.4);

Tailwind

colors: {
  custom: {
    50: '#8681d2',
    500: '#4751bd',
    950: '#000000',
  },
}

SCSS

$custom: #4751bd;
$custom-light: #8681d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4751bd",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 234.915,
    "s": 47.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48935,
    "c": 0.1678,
    "h": 274.4
  },
  "luminance": 0.10899
}

Semantic roles & 50–950 ramp

primary

#4751BD

secondary

#CAC696

accent

#CB51D7

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4751BD

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

Preview Lab → · Contrast checker → · Palette generator →