#4140D9#4140D9

#4140D9 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.2% C 0.225 H 274.2°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#4140D9
RGB	rgb(65, 64, 217)
HSL	hsl(240, 67%, 55%)
HSV	hsv(240, 71%, 85%)
CMYK	cmyk(70%, 70.5%, 0%, 14.9%)
CIE-LAB	lab(37.48, 48.60, -77.61)
CIE-LCH	lch(37.48, 91.57, 302.05°)
OKLab	oklab(48.15% 0.0166 -0.2244)
OKLCH	oklch(48.15% 0.225 274.2)
XYZ	xyz(16.5336, 9.7988, 66.6522)
Luminance	0.0980 (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

#4140D9 #D8D940

analogous

#408CD9 #4140D9 #8D40D9

triadic

#4140D9 #D94140 #40D941

tetradic

#4140D9 #D9408C #D8D940 #40D98D

square

#4140D9 #D9408C #D8D940 #40D98D

split-complementary

#4140D9 #D98D40 #8CD940

monochromatic

#1B1A84 #2524B7 #4140D9 #7473E3 #A7A6ED

Accessibility & contrast

On white

7.09

#4140D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4140D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140D9

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140D9	#FFFFFF	#000000	##FFFFFF
##4140D9	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDE

Deuteranopia (green-blind)

#0051D6

Tritanopia (blue-blind)

#006B88

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4140d9;
/* rgb */ color: rgb(65, 64, 217);
/* oklch */ color: oklch(48.2% 0.225 274.2);

Tailwind

colors: {
  custom: {
    50: '#8a76e6',
    500: '#4140d9',
    950: '#000000',
  },
}

SCSS

$custom: #4140d9;
$custom-light: #8a76e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4140d9",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 217
  },
  "hsl": {
    "h": 240.392,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48151,
    "c": 0.22501,
    "h": 274.2
  },
  "luminance": 0.098
}

Semantic roles & 50–950 ramp

primary

#4140D9

secondary

#DADA9A

accent

#EA3EE9

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4140D9

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

Preview Lab → · Contrast checker → · Palette generator →