#4143D3#4143D3

#4143D3 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.0% C 0.215 H 274.2°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4143D3
RGB	rgb(65, 67, 211)
HSL	hsl(239, 62%, 54%)
HSV	hsv(239, 69%, 83%)
CMYK	cmyk(69.2%, 68.2%, 0%, 17.3%)
CIE-LAB	lab(37.55, 44.90, -74.04)
CIE-LCH	lch(37.55, 86.59, 301.24°)
OKLab	oklab(48.04% 0.0156 -0.2139)
OKLCH	oklch(48.04% 0.215 274.2)
XYZ	xyz(15.9411, 9.8398, 62.6746)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.33

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4143D3 #D3D141

analogous

#418CD3 #4143D3 #8841D3

triadic

#4143D3 #D34143 #43D341

tetradic

#4143D3 #D3418C #D3D141 #41D388

square

#4143D3 #D3418C #D3D141 #41D388

split-complementary

#4143D3 #D38841 #8CD341

monochromatic

#1D1E7D #282AAE #4143D3 #7374DF #A4A5EA

Accessibility & contrast

On white

7.07

#4143D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4143D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4143D3

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143D3	#FFFFFF	#000000	##FFFFFF
##4143D3	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD7

Deuteranopia (green-blind)

#0052D0

Tritanopia (blue-blind)

#006A86

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4143d3;
/* rgb */ color: rgb(65, 67, 211);
/* oklch */ color: oklch(48.0% 0.215 274.2);

Tailwind

colors: {
  custom: {
    50: '#8978e2',
    500: '#4143d3',
    950: '#000000',
  },
}

SCSS

$custom: #4143d3;
$custom-light: #8978e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4143d3",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 211
  },
  "hsl": {
    "h": 239.178,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.48036,
    "c": 0.21452,
    "h": 274.2
  },
  "luminance": 0.09841
}

Semantic roles & 50–950 ramp

primary

#4143D3

secondary

#D7D699

accent

#E342E5

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0915

muted

#7E7B84

Preview Lab

Preview with #4143D3

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

Preview Lab → · Contrast checker → · Palette generator →