#473DB3#473DB3

#473DB3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.6% C 0.180 H 280.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#473DB3
RGB	rgb(71, 61, 179)
HSL	hsl(245, 49%, 47%)
HSV	hsv(245, 66%, 70%)
CMYK	cmyk(60.3%, 65.9%, 0%, 29.8%)
CIE-LAB	lab(33.84, 38.78, -61.39)
CIE-LCH	lch(33.84, 72.61, 302.28°)
OKLab	oklab(44.59% 0.0313 -0.1768)
OKLCH	oklch(44.59% 0.18 280)
XYZ	xyz(12.4014, 7.9309, 43.5164)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#473DB3 #A9B33D

analogous

#3D6EB3 #473DB3 #823DB3

triadic

#473DB3 #B3473D #3DB347

tetradic

#473DB3 #B33D6E #A9B33D #3DB382

square

#473DB3 #B33D6E #A9B33D #3DB382

split-complementary

#473DB3 #B3823D #6EB33D

monochromatic

#231E58 #352D85 #473DB3 #6C63CA #9791D9

Accessibility & contrast

On white

8.12

#473DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#473DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #473DB3

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##473DB3	#FFFFFF	#000000	##FFFFFF
##473DB3	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #473db3;
/* rgb */ color: rgb(71, 61, 179);
/* oklch */ color: oklch(44.6% 0.180 280.0);

Tailwind

colors: {
  custom: {
    50: '#8673cb',
    500: '#473db3',
    950: '#000000',
  },
}

SCSS

$custom: #473db3;
$custom-light: #8673cb;
$custom-dark: #000000;

JSON

{
  "hex": "#473db3",
  "rgb": {
    "r": 71,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 245.085,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44594,
    "c": 0.17952,
    "h": 280
  },
  "luminance": 0.07932
}

Semantic roles & 50–950 ramp

primary

#473DB3

secondary

#BFC587

accent

#D94FCD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #473DB3

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

Preview Lab → · Contrast checker → · Palette generator →