#4142B8#4142B8

#4142B8 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.4% C 0.181 H 276.0°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#4142B8
RGB	rgb(65, 66, 184)
HSL	hsl(239, 48%, 49%)
HSV	hsv(239, 65%, 72%)
CMYK	cmyk(64.7%, 64.1%, 0%, 27.8%)
CIE-LAB	lab(34.96, 36.47, -62.53)
CIE-LCH	lch(34.96, 72.39, 300.25°)
OKLab	oklab(45.43% 0.0191 -0.1803)
OKLCH	oklch(45.43% 0.181 276)
XYZ	xyz(12.7771, 8.4799, 46.3016)
Luminance	0.0848 (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

#4142B8 #B8B741

analogous

#417EB8 #4142B8 #7C41B8

triadic

#4142B8 #B84142 #42B841

tetradic

#4142B8 #B8417E #B8B741 #41B87C

square

#4142B8 #B8417E #B8B741 #41B87C

split-complementary

#4142B8 #B87C41 #7EB841

monochromatic

#21225E #31328B #4142B8 #6B6CCB #9999DB

Accessibility & contrast

On white

7.79

#4142B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4142B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142B8

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142B8	#FFFFFF	#000000	##FFFFFF
##4142B8	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BC

Deuteranopia (green-blind)

#004DB6

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4142b8;
/* rgb */ color: rgb(65, 66, 184);
/* oklch */ color: oklch(45.4% 0.181 276.0);

Tailwind

colors: {
  custom: {
    50: '#8377ce',
    500: '#4142b8',
    950: '#000000',
  },
}

SCSS

$custom: #4142b8;
$custom-light: #8377ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4142b8",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 184
  },
  "hsl": {
    "h": 239.496,
    "s": 47.791,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4543,
    "c": 0.18127,
    "h": 276
  },
  "luminance": 0.08481
}

Semantic roles & 50–950 ramp

primary

#4142B8

secondary

#C7C68E

accent

#D650D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4142B8

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

Preview Lab → · Contrast checker → · Palette generator →