#4143D5#4143D5

#4143D5 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.2% C 0.217 H 274.1°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#4143D5
RGB	rgb(65, 67, 213)
HSL	hsl(239, 64%, 55%)
HSV	hsv(239, 69%, 84%)
CMYK	cmyk(69.5%, 68.5%, 0%, 16.5%)
CIE-LAB	lab(37.74, 45.57, -74.89)
CIE-LCH	lch(37.74, 87.66, 301.32°)
OKLab	oklab(48.22% 0.0154 -0.2164)
OKLCH	oklch(48.22% 0.217 274.1)
XYZ	xyz(16.1934, 9.9407, 64.0032)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.29

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4143D5 #D5D341

analogous

#418DD5 #4143D5 #8941D5

triadic

#4143D5 #D54143 #43D541

tetradic

#4143D5 #D5418D #D5D341 #41D589

square

#4143D5 #D5418D #D5D341 #41D589

split-complementary

#4143D5 #D58941 #8DD541

monochromatic

#1C1E7F #2729B2 #4143D5 #7375E0 #A5A6EB

Accessibility & contrast

On white

7.03

#4143D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4143D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4143D5

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143D5	#FFFFFF	#000000	##FFFFFF
##4143D5	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D9

Deuteranopia (green-blind)

#0052D2

Tritanopia (blue-blind)

#006B87

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4143d5;
/* rgb */ color: rgb(65, 67, 213);
/* oklch */ color: oklch(48.2% 0.217 274.1);

Tailwind

colors: {
  custom: {
    50: '#8978e3',
    500: '#4143d5',
    950: '#000000',
  },
}

SCSS

$custom: #4143d5;
$custom-light: #8978e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4143d5",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 213
  },
  "hsl": {
    "h": 239.189,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.48223,
    "c": 0.217,
    "h": 274.1
  },
  "luminance": 0.09942
}

Semantic roles & 50–950 ramp

primary

#4143D5

secondary

#D8D79A

accent

#E541E7

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4143D5

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

Preview Lab → · Contrast checker → · Palette generator →