#4731BB#4731BB

#4731BB is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.6% C 0.203 H 281.1°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#4731BB
RGB	rgb(71, 49, 187)
HSL	hsl(250, 58%, 46%)
HSV	hsv(250, 74%, 73%)
CMYK	cmyk(62%, 73.8%, 0%, 26.7%)
CIE-LAB	lab(32.09, 48.11, -69.00)
CIE-LCH	lch(32.09, 84.12, 304.88°)
OKLab	oklab(43.56% 0.0392 -0.199)
OKLCH	oklch(43.56% 0.203 281.1)
XYZ	xyz(12.6637, 7.1231, 47.7116)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4731BB #A5BB31

analogous

#3160BB #4731BB #8C31BB

triadic

#4731BB #BB4731 #31BB47

tetradic

#4731BB #BB3160 #A5BB31 #31BB8C

square

#4731BB #BB3160 #A5BB31 #31BB8C

split-complementary

#4731BB #BB8C31 #60BB31

monochromatic

#22185A #35248B #4731BB #6A56D3 #9587E0

Accessibility & contrast

On white

8.66

#4731BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4731BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4731BB

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4731BB	#FFFFFF	#000000	##FFFFFF
##4731BB	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BF

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4731bb;
/* rgb */ color: rgb(71, 49, 187);
/* oklch */ color: oklch(43.6% 0.203 281.1);

Tailwind

colors: {
  custom: {
    50: '#886cd1',
    500: '#4731bb',
    950: '#000000',
  },
}

SCSS

$custom: #4731bb;
$custom-light: #886cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4731bb",
  "rgb": {
    "r": 71,
    "g": 49,
    "b": 187
  },
  "hsl": {
    "h": 249.565,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4356,
    "c": 0.20286,
    "h": 281.1
  },
  "luminance": 0.07124
}

Semantic roles & 50–950 ramp

primary

#4731BB

secondary

#BDC97F

accent

#E246C9

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4731BB

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

Preview Lab → · Contrast checker → · Palette generator →