#4731B7#4731B7

#4731B7 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.2% C 0.198 H 281.7°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#4731B7
RGB	rgb(71, 49, 183)
HSL	hsl(250, 58%, 45%)
HSV	hsv(250, 73%, 72%)
CMYK	cmyk(61.2%, 73.2%, 0%, 28.2%)
CIE-LAB	lab(31.70, 46.89, -67.27)
CIE-LCH	lch(31.70, 82.00, 304.88°)
OKLab	oklab(43.17% 0.0401 -0.1939)
OKLCH	oklch(43.17% 0.198 281.7)
XYZ	xyz(12.2414, 6.9542, 45.4878)
Luminance	0.0696 (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

#4731B7 #A1B731

analogous

#315EB7 #4731B7 #8A31B7

triadic

#4731B7 #B74731 #31B747

tetradic

#4731B7 #B7315E #A1B731 #31B78A

square

#4731B7 #B7315E #A1B731 #31B78A

split-complementary

#4731B7 #B78A31 #5EB731

monochromatic

#221756 #342487 #4731B7 #6954D1 #9384DE

Accessibility & contrast

On white

8.78

#4731B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4731B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4731B7

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4731B7	#FFFFFF	#000000	##FFFFFF
##4731B7	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0046B5

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4731b7;
/* rgb */ color: rgb(71, 49, 183);
/* oklch */ color: oklch(43.2% 0.198 281.7);

Tailwind

colors: {
  custom: {
    50: '#886cce',
    500: '#4731b7',
    950: '#000000',
  },
}

SCSS

$custom: #4731b7;
$custom-light: #886cce;
$custom-dark: #000000;

JSON

{
  "hex": "#4731b7",
  "rgb": {
    "r": 71,
    "g": 49,
    "b": 183
  },
  "hsl": {
    "h": 249.851,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43173,
    "c": 0.19805,
    "h": 281.7
  },
  "luminance": 0.06955
}

Semantic roles & 50–950 ramp

primary

#4731B7

secondary

#BBC87C

accent

#E147C8

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0714

muted

#7E7A82

Preview Lab

Preview with #4731B7

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

Preview Lab → · Contrast checker → · Palette generator →