#4140BD#4140BD

#4140BD is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.190 H 276.1°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#4140BD
RGB	rgb(65, 64, 189)
HSL	hsl(240, 49%, 50%)
HSV	hsv(240, 66%, 74%)
CMYK	cmyk(65.6%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(34.93, 39.37, -65.53)
CIE-LCH	lch(34.93, 76.45, 301.00°)
OKLab	oklab(45.54% 0.0202 -0.1891)
OKLCH	oklch(45.54% 0.19 276.1)
XYZ	xyz(13.1957, 8.4636, 49.0725)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.25

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4140BD #BCBD40

analogous

#407EBD #4140BD #8040BD

triadic

#4140BD #BD4140 #40BD41

tetradic

#4140BD #BD407E #BCBD40 #40BD80

square

#4140BD #BD407E #BCBD40 #40BD80

split-complementary

#4140BD #BD8040 #7EBD40

monochromatic

#222162 #31318F #4140BD #6E6DCD #9B9ADD

Accessibility & contrast

On white

7.80

#4140BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4140BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140BD

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140BD	#FFFFFF	#000000	##FFFFFF
##4140BD	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C1

Deuteranopia (green-blind)

#004DBB

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4140bd;
/* rgb */ color: rgb(65, 64, 189);
/* oklch */ color: oklch(45.5% 0.190 276.1);

Tailwind

colors: {
  custom: {
    50: '#8575d2',
    500: '#4140bd',
    950: '#000000',
  },
}

SCSS

$custom: #4140bd;
$custom-light: #8575d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4140bd",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 240.48,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45538,
    "c": 0.19014,
    "h": 276.1
  },
  "luminance": 0.08465
}

Semantic roles & 50–950 ramp

primary

#4140BD

secondary

#C9C990

accent

#D94FD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4140BD

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

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