#4742E9#4742E9

#4742E9 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 50.3% C 0.241 H 274.8°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#4742E9
RGB	rgb(71, 66, 233)
HSL	hsl(242, 79%, 59%)
HSV	hsv(242, 72%, 91%)
CMYK	cmyk(69.5%, 71.7%, 0%, 8.6%)
CIE-LAB	lab(39.78, 53.21, -82.94)
CIE-LCH	lch(39.78, 98.54, 302.68°)
OKLab	oklab(50.35% 0.02 -0.2398)
OKLCH	oklch(50.35% 0.241 274.8)
XYZ	xyz(19.2499, 11.1174, 78.2064)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4742E9 #E4E942

analogous

#4290E9 #4742E9 #9A42E9

triadic

#4742E9 #E94742 #42E947

tetradic

#4742E9 #E94290 #E4E942 #42E99A

square

#4742E9 #E94290 #E4E942 #42E99A

split-complementary

#4742E9 #E99A42 #90E942

monochromatic

#17129E #1E19D5 #4742E9 #7C79EF #B2B0F6

Accessibility & contrast

On white

6.51

#4742E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4742E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4742E9

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742E9	#FFFFFF	#000000	##FFFFFF
##4742E9	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065EE

Deuteranopia (green-blind)

#0056E6

Tritanopia (blue-blind)

#007192

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4742e9;
/* rgb */ color: rgb(71, 66, 233);
/* oklch */ color: oklch(50.3% 0.241 274.8);

Tailwind

colors: {
  custom: {
    50: '#9078f1',
    500: '#4742e9',
    950: '#000000',
  },
}

SCSS

$custom: #4742e9;
$custom-light: #9078f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4742e9",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 233
  },
  "hsl": {
    "h": 241.796,
    "s": 79.147,
    "l": 58.627
  },
  "oklch": {
    "l": 0.50349,
    "c": 0.24064,
    "h": 274.8
  },
  "luminance": 0.11119
}

Semantic roles & 50–950 ramp

primary

#4742E9

secondary

#E2E4A2

accent

#F632F0

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #4742E9

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

Preview Lab → · Contrast checker → · Palette generator →