#4751AC#4751AC

#4751AC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.144 H 274.8°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#4751AC
RGB	rgb(71, 81, 172)
HSL	hsl(234, 42%, 48%)
HSV	hsv(234, 59%, 67%)
CMYK	cmyk(58.7%, 52.9%, 0%, 32.5%)
CIE-LAB	lab(38.20, 23.88, -50.15)
CIE-LCH	lch(38.20, 55.55, 295.47°)
OKLab	oklab(47.65% 0.0121 -0.1436)
OKLCH	oklch(47.65% 0.144 274.8)
XYZ	xyz(12.9849, 10.2020, 40.3067)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751AC #ACA247

analogous

#4784AC #4751AC #6F47AC

triadic

#4751AC #AC4751 #51AC47

tetradic

#4751AC #AC4784 #ACA247 #47AC6F

square

#4751AC #AC4784 #ACA247 #47AC6F

split-complementary

#4751AC #AC6F47 #84AC47

monochromatic

#232855 #353D81 #4751AC #6D76C3 #999FD5

Accessibility & contrast

On white

6.91

#4751AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#4751AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751AC

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751AC	#FFFFFF	#000000	##FFFFFF
##4751AC	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5EAF

Deuteranopia (green-blind)

#0056AA

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4751ac;
/* rgb */ color: rgb(71, 81, 172);
/* oklch */ color: oklch(47.7% 0.144 274.8);

Tailwind

colors: {
  custom: {
    50: '#8381c5',
    500: '#4751ac',
    950: '#000000',
  },
}

SCSS

$custom: #4751ac;
$custom-light: #8381c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4751ac",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 172
  },
  "hsl": {
    "h": 234.059,
    "s": 41.564,
    "l": 47.647
  },
  "oklch": {
    "l": 0.47652,
    "c": 0.14409,
    "h": 274.8
  },
  "luminance": 0.10203
}

Semantic roles & 50–950 ramp

primary

#4751AC

secondary

#C1BC8E

accent

#C556D1

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4751AC

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

Preview Lab → · Contrast checker → · Palette generator →