#4738B8#4738B8

#4738B8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.3% C 0.192 H 280.4°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#4738B8
RGB	rgb(71, 56, 184)
HSL	hsl(247, 53%, 47%)
HSV	hsv(247, 70%, 72%)
CMYK	cmyk(61.4%, 69.6%, 0%, 27.8%)
CIE-LAB	lab(33.20, 43.31, -65.41)
CIE-LCH	lch(33.20, 78.45, 303.51°)
OKLab	oklab(44.27% 0.0347 -0.1885)
OKLCH	oklch(44.27% 0.192 280.4)
XYZ	xyz(12.6617, 7.6277, 46.1432)
Luminance	0.0763 (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

#4738B8 #A9B838

analogous

#3869B8 #4738B8 #8738B8

triadic

#4738B8 #B84738 #38B847

tetradic

#4738B8 #B83869 #A9B838 #38B887

square

#4738B8 #B83869 #A9B838 #38B887

split-complementary

#4738B8 #B88738 #69B838

monochromatic

#231B5A #352A89 #4738B8 #6C5FCE #978EDD

Accessibility & contrast

On white

8.31

#4738B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4738B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4738B8

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4738B8	#FFFFFF	#000000	##FFFFFF
##4738B8	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4738b8;
/* rgb */ color: rgb(71, 56, 184);
/* oklch */ color: oklch(44.3% 0.192 280.4);

Tailwind

colors: {
  custom: {
    50: '#8770ce',
    500: '#4738b8',
    950: '#000000',
  },
}

SCSS

$custom: #4738b8;
$custom-light: #8770ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4738b8",
  "rgb": {
    "r": 71,
    "g": 56,
    "b": 184
  },
  "hsl": {
    "h": 247.031,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44265,
    "c": 0.19171,
    "h": 280.4
  },
  "luminance": 0.07629
}

Semantic roles & 50–950 ramp

primary

#4738B8

secondary

#BFC785

accent

#DD4BCC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0D0714

muted

#7D7A82

Preview Lab

Preview with #4738B8

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

Preview Lab → · Contrast checker → · Palette generator →