#4140D8#4140D8

#4140D8 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.1% C 0.224 H 274.3°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#4140D8
RGB	rgb(65, 64, 216)
HSL	hsl(240, 66%, 55%)
HSV	hsv(240, 70%, 85%)
CMYK	cmyk(69.9%, 70.4%, 0%, 15.3%)
CIE-LAB	lab(37.38, 48.28, -77.19)
CIE-LCH	lch(37.38, 91.05, 302.02°)
OKLab	oklab(48.06% 0.0167 -0.2232)
OKLCH	oklch(48.06% 0.224 274.3)
XYZ	xyz(16.4039, 9.7469, 65.9693)
Luminance	0.0975 (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

#4140D8 #D7D840

analogous

#408BD8 #4140D8 #8D40D8

triadic

#4140D8 #D84140 #40D841

tetradic

#4140D8 #D8408B #D7D840 #40D88D

square

#4140D8 #D8408B #D7D840 #40D88D

split-complementary

#4140D8 #D88D40 #8BD840

monochromatic

#1B1B83 #2625B6 #4140D8 #7473E2 #A6A6ED

Accessibility & contrast

On white

7.12

#4140D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4140D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140D8

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140D8	#FFFFFF	#000000	##FFFFFF
##4140D8	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDD

Deuteranopia (green-blind)

#0051D5

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4140d8;
/* rgb */ color: rgb(65, 64, 216);
/* oklch */ color: oklch(48.1% 0.224 274.3);

Tailwind

colors: {
  custom: {
    50: '#8a76e5',
    500: '#4140d8',
    950: '#000000',
  },
}

SCSS

$custom: #4140d8;
$custom-light: #8a76e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4140d8",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 216
  },
  "hsl": {
    "h": 240.395,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48055,
    "c": 0.2238,
    "h": 274.3
  },
  "luminance": 0.09748
}

Semantic roles & 50–950 ramp

primary

#4140D8

secondary

#D9DA9A

accent

#E93FE8

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4140D8

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

Preview Lab → · Contrast checker → · Palette generator →