#4740CC#4740CC

#4740CC is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.3% C 0.208 H 277.1°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#4740CC
RGB	rgb(71, 64, 204)
HSL	hsl(243, 58%, 53%)
HSV	hsv(243, 69%, 80%)
CMYK	cmyk(65.2%, 68.6%, 0%, 20%)
CIE-LAB	lab(36.68, 45.10, -71.41)
CIE-LCH	lch(36.68, 84.46, 302.27°)
OKLab	oklab(47.32% 0.0258 -0.2061)
OKLCH	oklch(47.32% 0.208 277.1)
XYZ	xyz(15.3275, 9.3647, 58.1149)
Luminance	0.0937 (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

#4740CC #C5CC40

analogous

#407FCC #4740CC #8D40CC

triadic

#4740CC #CC4740 #40CC47

tetradic

#4740CC #CC407F #C5CC40 #40CC8D

square

#4740CC #CC407F #C5CC40 #40CC8D

split-complementary

#4740CC #CC8D40 #7FCC40

monochromatic

#231F73 #322CA3 #4740CC #7670D9 #A4A1E6

Accessibility & contrast

On white

7.31

#4740CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4740CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740CC

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740CC	#FFFFFF	#000000	##FFFFFF
##4740CC	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD0

Deuteranopia (green-blind)

#0050C9

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4740cc;
/* rgb */ color: rgb(71, 64, 204);
/* oklch */ color: oklch(47.3% 0.208 277.1);

Tailwind

colors: {
  custom: {
    50: '#8a76dd',
    500: '#4740cc',
    950: '#000000',
  },
}

SCSS

$custom: #4740cc;
$custom-light: #8a76dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4740cc",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 243,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47316,
    "c": 0.20772,
    "h": 277.1
  },
  "luminance": 0.09366
}

Semantic roles & 50–950 ramp

primary

#4740CC

secondary

#CFD295

accent

#E147D9

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4740CC

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

Preview Lab → · Contrast checker → · Palette generator →