#4738BA#4738BA

#4738BA is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.5% C 0.194 H 280.2°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#4738BA
RGB	rgb(71, 56, 186)
HSL	hsl(247, 54%, 47%)
HSV	hsv(247, 70%, 73%)
CMYK	cmyk(61.8%, 69.9%, 0%, 27.1%)
CIE-LAB	lab(33.38, 43.94, -66.29)
CIE-LCH	lch(33.38, 79.53, 303.54°)
OKLab	oklab(44.45% 0.0344 -0.1911)
OKLCH	oklch(44.45% 0.194 280.2)
XYZ	xyz(12.8728, 7.7122, 47.2551)
Luminance	0.0771 (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

#4738BA #ABBA38

analogous

#386ABA #4738BA #8838BA

triadic

#4738BA #BA4738 #38BA47

tetradic

#4738BA #BA386A #ABBA38 #38BA88

square

#4738BA #BA386A #ABBA38 #38BA88

split-complementary

#4738BA #BA8838 #6ABA38

monochromatic

#231C5C #352A8B #4738BA #6D60CF #988FDD

Accessibility & contrast

On white

8.26

#4738BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4738BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4738BA

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4738BA	#FFFFFF	#000000	##FFFFFF
##4738BA	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0049B8

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4738ba;
/* rgb */ color: rgb(71, 56, 186);
/* oklch */ color: oklch(44.5% 0.194 280.2);

Tailwind

colors: {
  custom: {
    50: '#8870d0',
    500: '#4738ba',
    950: '#000000',
  },
}

SCSS

$custom: #4738ba;
$custom-light: #8870d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4738ba",
  "rgb": {
    "r": 71,
    "g": 56,
    "b": 186
  },
  "hsl": {
    "h": 246.923,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4445,
    "c": 0.1942,
    "h": 280.2
  },
  "luminance": 0.07713
}

Semantic roles & 50–950 ramp

primary

#4738BA

secondary

#C0C886

accent

#DD4BCC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0D0814

muted

#7D7B82

Preview Lab

Preview with #4738BA

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

Preview Lab → · Contrast checker → · Palette generator →