#4142E0#4142E0

#4142E0 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.1% C 0.231 H 273.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#4142E0
RGB	rgb(65, 66, 224)
HSL	hsl(240, 72%, 57%)
HSV	hsv(240, 71%, 88%)
CMYK	cmyk(71%, 70.5%, 0%, 12.2%)
CIE-LAB	lab(38.55, 49.74, -79.85)
CIE-LCH	lch(38.55, 94.08, 301.92°)
OKLab	oklab(49.12% 0.0144 -0.2309)
OKLCH	oklch(49.12% 0.231 273.6)
XYZ	xyz(17.5782, 10.4003, 71.5876)
Luminance	0.1040 (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

#4142E0 #E0DF41

analogous

#4191E0 #4142E0 #9041E0

triadic

#4142E0 #E04142 #42E041

tetradic

#4142E0 #E04191 #E0DF41 #41E090

square

#4142E0 #E04191 #E0DF41 #41E090

split-complementary

#4142E0 #E09041 #91E041

monochromatic

#17188F #2021C4 #4142E0 #7676E9 #AAABF1

Accessibility & contrast

On white

6.82

#4142E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4142E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4142E0

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142E0	#FFFFFF	#000000	##FFFFFF
##4142E0	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E5

Deuteranopia (green-blind)

#0053DD

Tritanopia (blue-blind)

#006E8D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4142e0;
/* rgb */ color: rgb(65, 66, 224);
/* oklch */ color: oklch(49.1% 0.231 273.6);

Tailwind

colors: {
  custom: {
    50: '#8c78eb',
    500: '#4142e0',
    950: '#000000',
  },
}

SCSS

$custom: #4142e0;
$custom-light: #8c78eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4142e0",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 224
  },
  "hsl": {
    "h": 239.623,
    "s": 71.946,
    "l": 56.667
  },
  "oklch": {
    "l": 0.49119,
    "c": 0.23139,
    "h": 273.6
  },
  "luminance": 0.10402
}

Semantic roles & 50–950 ramp

primary

#4142E0

secondary

#DFDF9E

accent

#EE39EF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4142E0

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

Preview Lab → · Contrast checker → · Palette generator →