#4738AA#4738AA

#4738AA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.174 H 282.2°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#4738AA
RGB	rgb(71, 56, 170)
HSL	hsl(248, 50%, 44%)
HSV	hsv(248, 67%, 67%)
CMYK	cmyk(58.2%, 67.1%, 0%, 33.3%)
CIE-LAB	lab(31.96, 38.87, -59.09)
CIE-LCH	lch(31.96, 70.72, 303.34°)
OKLab	oklab(43% 0.0368 -0.17)
OKLCH	oklch(43% 0.174 282.2)
XYZ	xyz(11.2662, 7.0695, 38.7933)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4738AA #9BAA38

analogous

#3862AA #4738AA #8038AA

triadic

#4738AA #AA4738 #38AA47

tetradic

#4738AA #AA3862 #9BAA38 #38AA80

square

#4738AA #AA3862 #9BAA38 #38AA80

split-complementary

#4738AA #AA8038 #62AA38

monochromatic

#211A4E #34297C #4738AA #6657C8 #9085D7

Accessibility & contrast

On white

8.70

#4738AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4738AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4738AA

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4738AA	#FFFFFF	#000000	##FFFFFF
##4738AA	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAE

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#0E556C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4738aa;
/* rgb */ color: rgb(71, 56, 170);
/* oklch */ color: oklch(43.0% 0.174 282.2);

Tailwind

colors: {
  custom: {
    50: '#8570c4',
    500: '#4738aa',
    950: '#000000',
  },
}

SCSS

$custom: #4738aa;
$custom-light: #8570c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4738aa",
  "rgb": {
    "r": 71,
    "g": 56,
    "b": 170
  },
  "hsl": {
    "h": 247.895,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43001,
    "c": 0.17394,
    "h": 282.2
  },
  "luminance": 0.0707
}

Semantic roles & 50–950 ramp

primary

#4738AA

secondary

#B8C17D

accent

#DA4EC8

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4738AA

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

Preview Lab → · Contrast checker → · Palette generator →