#4740CF#4740CF

#4740CF is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.6% C 0.211 H 276.9°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#4740CF
RGB	rgb(71, 64, 207)
HSL	hsl(243, 60%, 53%)
HSV	hsv(243, 69%, 81%)
CMYK	cmyk(65.7%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(36.95, 46.06, -72.70)
CIE-LCH	lch(36.95, 86.07, 302.36°)
OKLab	oklab(47.59% 0.0253 -0.2099)
OKLCH	oklch(47.59% 0.211 276.9)
XYZ	xyz(15.6907, 9.5100, 60.0281)
Luminance	0.0951 (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

#4740CF #C8CF40

analogous

#4080CF #4740CF #8E40CF

triadic

#4740CF #CF4740 #40CF47

tetradic

#4740CF #CF4080 #C8CF40 #40CF8E

square

#4740CF #CF4080 #C8CF40 #40CF8E

split-complementary

#4740CF #CF8E40 #80CF40

monochromatic

#221E77 #302AA8 #4740CF #7671DB #A5A2E8

Accessibility & contrast

On white

7.24

#4740CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4740CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740CF

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740CF	#FFFFFF	#000000	##FFFFFF
##4740CF	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0051CC

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4740cf;
/* rgb */ color: rgb(71, 64, 207);
/* oklch */ color: oklch(47.6% 0.211 276.9);

Tailwind

colors: {
  custom: {
    50: '#8b76df',
    500: '#4740cf',
    950: '#000000',
  },
}

SCSS

$custom: #4740cf;
$custom-light: #8b76df;
$custom-dark: #000000;

JSON

{
  "hex": "#4740cf",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 242.937,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47593,
    "c": 0.21142,
    "h": 276.9
  },
  "luminance": 0.09511
}

Semantic roles & 50–950 ramp

primary

#4740CF

secondary

#D1D497

accent

#E345DB

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4740CF

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

Preview Lab → · Contrast checker → · Palette generator →