#4142B3#4142B3

#4142B3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.175 H 276.4°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#4142B3
RGB	rgb(65, 66, 179)
HSL	hsl(239, 47%, 48%)
HSV	hsv(239, 64%, 70%)
CMYK	cmyk(63.7%, 63.1%, 0%, 29.8%)
CIE-LAB	lab(34.55, 34.77, -60.25)
CIE-LCH	lch(34.55, 69.57, 299.99°)
OKLab	oklab(45% 0.0194 -0.1736)
OKLCH	oklch(45% 0.175 276.4)
XYZ	xyz(12.2622, 8.2739, 43.5899)
Luminance	0.0828 (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

#4142B3 #B3B241

analogous

#417BB3 #4142B3 #7941B3

triadic

#4142B3 #B34142 #42B341

tetradic

#4142B3 #B3417B #B3B241 #41B379

square

#4142B3 #B3417B #B3B241 #41B379

split-complementary

#4142B3 #B37941 #7BB341

monochromatic

#202159 #313186 #4142B3 #696AC8 #9696D9

Accessibility & contrast

On white

7.91

#4142B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4142B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142B3

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142B3	#FFFFFF	#000000	##FFFFFF
##4142B3	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4142b3;
/* rgb */ color: rgb(65, 66, 179);
/* oklch */ color: oklch(45.0% 0.175 276.4);

Tailwind

colors: {
  custom: {
    50: '#8376cb',
    500: '#4142b3',
    950: '#000000',
  },
}

SCSS

$custom: #4142b3;
$custom-light: #8376cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4142b3",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 179
  },
  "hsl": {
    "h": 239.474,
    "s": 46.721,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44996,
    "c": 0.17467,
    "h": 276.4
  },
  "luminance": 0.08275
}

Semantic roles & 50–950 ramp

primary

#4142B3

secondary

#C4C48B

accent

#D551D6

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4142B3

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

Preview Lab → · Contrast checker → · Palette generator →