#4742CB#4742CB

#4742CB is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.204 H 276.9°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#4742CB
RGB	rgb(71, 66, 203)
HSL	hsl(242, 57%, 53%)
HSV	hsv(242, 67%, 80%)
CMYK	cmyk(65%, 67.5%, 0%, 20.4%)
CIE-LAB	lab(37.02, 43.61, -70.27)
CIE-LCH	lch(37.02, 82.71, 301.82°)
OKLab	oklab(47.53% 0.0245 -0.2028)
OKLCH	oklch(47.53% 0.204 276.9)
XYZ	xyz(15.3227, 9.5465, 57.5235)
Luminance	0.0955 (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

#4742CB #C6CB42

analogous

#4281CB #4742CB #8C42CB

triadic

#4742CB #CB4742 #42CB47

tetradic

#4742CB #CB4281 #C6CB42 #42CB8C

square

#4742CB #CB4281 #C6CB42 #42CB8C

split-complementary

#4742CB #CB8C42 #81CB42

monochromatic

#232073 #312DA3 #4742CB #7672D8 #A4A2E5

Accessibility & contrast

On white

7.22

#4742CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4742CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4742CB

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742CB	#FFFFFF	#000000	##FFFFFF
##4742CB	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#0051C8

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4742cb;
/* rgb */ color: rgb(71, 66, 203);
/* oklch */ color: oklch(47.5% 0.204 276.9);

Tailwind

colors: {
  custom: {
    50: '#8a77dc',
    500: '#4742cb',
    950: '#000000',
  },
}

SCSS

$custom: #4742cb;
$custom-light: #8a77dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4742cb",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 203
  },
  "hsl": {
    "h": 242.19,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47533,
    "c": 0.20426,
    "h": 276.9
  },
  "luminance": 0.09548
}

Semantic roles & 50–950 ramp

primary

#4742CB

secondary

#D0D297

accent

#E048DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4742CB

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

Preview Lab → · Contrast checker → · Palette generator →