#4742B8#4742B8

#4742B8 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.9% C 0.180 H 278.5°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#4742B8
RGB	rgb(71, 66, 184)
HSL	hsl(243, 47%, 49%)
HSV	hsv(243, 64%, 72%)
CMYK	cmyk(61.4%, 64.1%, 0%, 27.8%)
CIE-LAB	lab(35.39, 37.39, -61.81)
CIE-LCH	lch(35.39, 72.24, 301.17°)
OKLab	oklab(45.85% 0.0265 -0.178)
OKLCH	oklch(45.85% 0.18 278.5)
XYZ	xyz(13.1957, 8.6957, 46.3212)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.31

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4742B8 #B3B842

analogous

#4278B8 #4742B8 #8242B8

triadic

#4742B8 #B84742 #42B847

tetradic

#4742B8 #B84278 #B3B842 #42B882

square

#4742B8 #B84278 #B3B842 #42B882

split-complementary

#4742B8 #B88242 #78B842

monochromatic

#24225E #36328B #4742B8 #716DCB #9C9ADB

Accessibility & contrast

On white

7.67

#4742B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4742B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4742B8

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742B8	#FFFFFF	#000000	##FFFFFF
##4742B8	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4742b8;
/* rgb */ color: rgb(71, 66, 184);
/* oklch */ color: oklch(45.9% 0.180 278.5);

Tailwind

colors: {
  custom: {
    50: '#8677ce',
    500: '#4742b8',
    950: '#000000',
  },
}

SCSS

$custom: #4742b8;
$custom-light: #8677ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4742b8",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 184
  },
  "hsl": {
    "h": 242.542,
    "s": 47.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45853,
    "c": 0.17995,
    "h": 278.5
  },
  "luminance": 0.08697
}

Semantic roles & 50–950 ramp

primary

#4742B8

secondary

#C4C78F

accent

#D751D1

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4742B8

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

Preview Lab → · Contrast checker → · Palette generator →