#4140AF#4140AF

#4140AF is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.172 H 277.2°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#4140AF
RGB	rgb(65, 64, 175)
HSL	hsl(241, 46%, 47%)
HSV	hsv(241, 63%, 69%)
CMYK	cmyk(62.9%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(33.74, 34.67, -59.19)
CIE-LCH	lch(33.74, 68.59, 300.36°)
OKLab	oklab(44.3% 0.0214 -0.1705)
OKLCH	oklch(44.3% 0.172 277.2)
XYZ	xyz(11.7487, 7.8848, 41.4519)
Luminance	0.0789 (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

#4140AF #AEAF40

analogous

#4076AF #4140AF #7940AF

triadic

#4140AF #AF4140 #40AF41

tetradic

#4140AF #AF4076 #AEAF40 #40AF79

square

#4140AF #AF4076 #AEAF40 #40AF79

split-complementary

#4140AF #AF7940 #76AF40

monochromatic

#201F55 #303082 #4140AF #6665C7 #9392D7

Accessibility & contrast

On white

8.15

#4140AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4140AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140AF

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140AF	#FFFFFF	#000000	##FFFFFF
##4140AF	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#004BAD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4140af;
/* rgb */ color: rgb(65, 64, 175);
/* oklch */ color: oklch(44.3% 0.172 277.2);

Tailwind

colors: {
  custom: {
    50: '#8275c8',
    500: '#4140af',
    950: '#000000',
  },
}

SCSS

$custom: #4140af;
$custom-light: #8275c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4140af",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 240.541,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44304,
    "c": 0.17181,
    "h": 277.2
  },
  "luminance": 0.07886
}

Semantic roles & 50–950 ramp

primary

#4140AF

secondary

#C2C388

accent

#D652D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4140AF

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

Preview Lab → · Contrast checker → · Palette generator →