#4142B9#4142B9

#4142B9 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.183 H 276.0°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#4142B9
RGB	rgb(65, 66, 185)
HSL	hsl(240, 48%, 49%)
HSV	hsv(240, 65%, 73%)
CMYK	cmyk(64.9%, 64.3%, 0%, 27.5%)
CIE-LAB	lab(35.05, 36.81, -62.98)
CIE-LCH	lch(35.05, 72.95, 300.30°)
OKLab	oklab(45.52% 0.019 -0.1816)
OKLCH	oklch(45.52% 0.183 276)
XYZ	xyz(12.8823, 8.5219, 46.8556)
Luminance	0.0852 (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

#4142B9 #B9B841

analogous

#417EB9 #4142B9 #7C41B9

triadic

#4142B9 #B94142 #42B941

tetradic

#4142B9 #B9417E #B9B841 #41B97C

square

#4142B9 #B9417E #B9B841 #41B97C

split-complementary

#4142B9 #B97C41 #7EB941

monochromatic

#21225E #31328C #4142B9 #6C6DCB #999ADB

Accessibility & contrast

On white

7.76

#4142B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4142B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142B9

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142B9	#FFFFFF	#000000	##FFFFFF
##4142B9	1.00	7.76	2.70	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#004DB7

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4142b9;
/* rgb */ color: rgb(65, 66, 185);
/* oklch */ color: oklch(45.5% 0.183 276.0);

Tailwind

colors: {
  custom: {
    50: '#8477cf',
    500: '#4142b9',
    950: '#000000',
  },
}

SCSS

$custom: #4142b9;
$custom-light: #8477cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4142b9",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 185
  },
  "hsl": {
    "h": 239.5,
    "s": 48,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45517,
    "c": 0.18258,
    "h": 276
  },
  "luminance": 0.08523
}

Semantic roles & 50–950 ramp

primary

#4142B9

secondary

#C7C78F

accent

#D650D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4142B9

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

Preview Lab → · Contrast checker → · Palette generator →