#4751BA#4751BA

#4751BA is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.164 H 274.5°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4751BA
RGB	rgb(71, 81, 186)
HSL	hsl(235, 45%, 50%)
HSV	hsv(235, 62%, 73%)
CMYK	cmyk(61.8%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(39.19, 28.68, -56.81)
CIE-LCH	lch(39.19, 63.64, 296.78°)
OKLab	oklab(48.7% 0.0128 -0.1632)
OKLCH	oklch(48.7% 0.164 274.5)
XYZ	xyz(14.4010, 10.7685, 47.7645)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751BA #BAB047

analogous

#478ABA #4751BA #7747BA

triadic

#4751BA #BA4751 #51BA47

tetradic

#4751BA #BA478A #BAB047 #47BA77

square

#4751BA #BA478A #BAB047 #47BA77

split-complementary

#4751BA #BA7747 #8ABA47

monochromatic

#252A62 #353D8E #4751BA #747BCB #A0A5DB

Accessibility & contrast

On white

6.66

#4751BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4751BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751BA

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751BA	#FFFFFF	#000000	##FFFFFF
##4751BA	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4751ba;
/* rgb */ color: rgb(71, 81, 186);
/* oklch */ color: oklch(48.7% 0.164 274.5);

Tailwind

colors: {
  custom: {
    50: '#8681cf',
    500: '#4751ba',
    950: '#000000',
  },
}

SCSS

$custom: #4751ba;
$custom-light: #8681cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4751ba",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 234.783,
    "s": 45.455,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48703,
    "c": 0.16369,
    "h": 274.5
  },
  "luminance": 0.1077
}

Semantic roles & 50–950 ramp

primary

#4751BA

secondary

#C8C495

accent

#CA53D5

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4751BA

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

Preview Lab → · Contrast checker → · Palette generator →