#4751CA#4751CA

#4751CA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 50.0% C 0.185 H 274.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4751CA
RGB	rgb(71, 81, 202)
HSL	hsl(235, 55%, 54%)
HSV	hsv(235, 65%, 79%)
CMYK	cmyk(64.9%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(40.39, 34.15, -64.18)
CIE-LCH	lch(40.39, 72.70, 298.02°)
OKLab	oklab(49.97% 0.0128 -0.1848)
OKLCH	oklch(49.97% 0.185 274)
XYZ	xyz(16.1981, 11.4873, 57.2293)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751CA #CAC047

analogous

#4792CA #4751CA #7E47CA

triadic

#4751CA #CA4751 #51CA47

tetradic

#4751CA #CA4792 #CAC047 #47CA7E

square

#4751CA #CA4792 #CAC047 #47CA7E

split-complementary

#4751CA #CA7E47 #92CA47

monochromatic

#222875 #2F38A4 #4751CA #777ED8 #A6ABE5

Accessibility & contrast

On white

6.37

#4751CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4751CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751CA

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751CA	#FFFFFF	#000000	##FFFFFF
##4751CA	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4751ca;
/* rgb */ color: rgb(71, 81, 202);
/* oklch */ color: oklch(50.0% 0.185 274.0);

Tailwind

colors: {
  custom: {
    50: '#8982db',
    500: '#4751ca',
    950: '#000000',
  },
}

SCSS

$custom: #4751ca;
$custom-light: #8982db;
$custom-dark: #000000;

JSON

{
  "hex": "#4751ca",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 235.42,
    "s": 55.274,
    "l": 53.529
  },
  "oklch": {
    "l": 0.49973,
    "c": 0.18529,
    "h": 274
  },
  "luminance": 0.11489
}

Semantic roles & 50–950 ramp

primary

#4751CA

secondary

#D2CE9A

accent

#D349DF

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4751CA

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

Preview Lab → · Contrast checker → · Palette generator →