#4740AC#4740AC

#4740AC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.167 H 280.1°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#4740AC
RGB	rgb(71, 64, 172)
HSL	hsl(244, 46%, 46%)
HSV	hsv(244, 63%, 67%)
CMYK	cmyk(58.7%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(33.95, 34.67, -57.04)
CIE-LCH	lch(33.95, 66.75, 301.29°)
OKLab	oklab(44.5% 0.0292 -0.164)
OKLCH	oklch(44.5% 0.167 280.1)
XYZ	xyz(11.8760, 7.9841, 39.9370)
Luminance	0.0799 (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

#4740AC #A5AC40

analogous

#406FAC #4740AC #7D40AC

triadic

#4740AC #AC4740 #40AC47

tetradic

#4740AC #AC406F #A5AC40 #40AC7D

square

#4740AC #AC406F #A5AC40 #40AC7D

split-complementary

#4740AC #AC7D40 #6FAC40

monochromatic

#221F53 #352F7F #4740AC #6A64C5 #9591D6

Accessibility & contrast

On white

8.09

#4740AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4740AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740AC

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740AC	#FFFFFF	#000000	##FFFFFF
##4740AC	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004CAA

Tritanopia (blue-blind)

#055B70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4740ac;
/* rgb */ color: rgb(71, 64, 172);
/* oklch */ color: oklch(44.5% 0.167 280.1);

Tailwind

colors: {
  custom: {
    50: '#8475c6',
    500: '#4740ac',
    950: '#000000',
  },
}

SCSS

$custom: #4740ac;
$custom-light: #8475c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4740ac",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 243.889,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44496,
    "c": 0.16657,
    "h": 280.1
  },
  "luminance": 0.07985
}

Semantic roles & 50–950 ramp

primary

#4740AC

secondary

#BDC187

accent

#D552CD

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4740AC

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

Preview Lab → · Contrast checker → · Palette generator →