#4140AE#4140AE

#4140AE is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.170 H 277.2°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#4140AE
RGB	rgb(65, 64, 174)
HSL	hsl(241, 46%, 47%)
HSV	hsv(241, 63%, 68%)
CMYK	cmyk(62.6%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.66, 34.33, -58.73)
CIE-LCH	lch(33.66, 68.03, 300.31°)
OKLab	oklab(44.22% 0.0215 -0.1691)
OKLCH	oklch(44.22% 0.17 277.2)
XYZ	xyz(11.6509, 7.8457, 40.9366)
Luminance	0.0785 (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

#4140AE #ADAE40

analogous

#4076AE #4140AE #7840AE

triadic

#4140AE #AE4140 #40AE41

tetradic

#4140AE #AE4076 #ADAE40 #40AE78

square

#4140AE #AE4076 #ADAE40 #40AE78

split-complementary

#4140AE #AE7840 #76AE40

monochromatic

#201F55 #303081 #4140AE #6665C6 #9292D7

Accessibility & contrast

On white

8.17

#4140AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4140AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140AE

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140AE	#FFFFFF	#000000	##FFFFFF
##4140AE	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#004AAC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4140ae;
/* rgb */ color: rgb(65, 64, 174);
/* oklch */ color: oklch(44.2% 0.170 277.2);

Tailwind

colors: {
  custom: {
    50: '#8275c7',
    500: '#4140ae',
    950: '#000000',
  },
}

SCSS

$custom: #4140ae;
$custom-light: #8275c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4140ae",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 240.545,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44218,
    "c": 0.17048,
    "h": 277.2
  },
  "luminance": 0.07847
}

Semantic roles & 50–950 ramp

primary

#4140AE

secondary

#C2C288

accent

#D652D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4140AE

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

Preview Lab → · Contrast checker → · Palette generator →