#4142BA#4142BA

#4142BA is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.184 H 275.9°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#4142BA
RGB	rgb(65, 66, 186)
HSL	hsl(240, 48%, 49%)
HSV	hsv(240, 65%, 73%)
CMYK	cmyk(65.1%, 64.5%, 0%, 27.1%)
CIE-LAB	lab(35.13, 37.14, -63.43)
CIE-LCH	lch(35.13, 73.51, 300.35°)
OKLab	oklab(45.61% 0.0189 -0.1829)
OKLCH	oklch(45.61% 0.184 275.9)
XYZ	xyz(12.9882, 8.5643, 47.4135)
Luminance	0.0857 (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

#4142BA #BAB941

analogous

#417FBA #4142BA #7D41BA

triadic

#4142BA #BA4142 #42BA41

tetradic

#4142BA #BA417F #BAB941 #41BA7D

square

#4142BA #BA417F #BAB941 #41BA7D

split-complementary

#4142BA #BA7D41 #7FBA41

monochromatic

#21225F #31328D #4142BA #6C6DCC #9A9ADC

Accessibility & contrast

On white

7.74

#4142BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4142BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142BA

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142BA	#FFFFFF	#000000	##FFFFFF
##4142BA	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4142ba;
/* rgb */ color: rgb(65, 66, 186);
/* oklch */ color: oklch(45.6% 0.184 275.9);

Tailwind

colors: {
  custom: {
    50: '#8477d0',
    500: '#4142ba',
    950: '#000000',
  },
}

SCSS

$custom: #4142ba;
$custom-light: #8477d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4142ba",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 186
  },
  "hsl": {
    "h": 239.504,
    "s": 48.207,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45605,
    "c": 0.18389,
    "h": 275.9
  },
  "luminance": 0.08565
}

Semantic roles & 50–950 ramp

primary

#4142BA

secondary

#C8C78F

accent

#D750D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4142BA

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

Preview Lab → · Contrast checker → · Palette generator →