#4143D1#4143D1

#4143D1 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.9% C 0.212 H 274.3°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#4143D1
RGB	rgb(65, 67, 209)
HSL	hsl(239, 61%, 54%)
HSV	hsv(239, 69%, 82%)
CMYK	cmyk(68.9%, 67.9%, 0%, 18%)
CIE-LAB	lab(37.37, 44.24, -73.18)
CIE-LCH	lch(37.37, 85.51, 301.16°)
OKLab	oklab(47.85% 0.0159 -0.2114)
OKLCH	oklch(47.85% 0.212 274.3)
XYZ	xyz(15.6919, 9.7401, 61.3623)
Luminance	0.0974 (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

#4143D1 #D1CF41

analogous

#418BD1 #4143D1 #8741D1

triadic

#4143D1 #D14143 #43D141

tetradic

#4143D1 #D1418B #D1CF41 #41D187

square

#4143D1 #D1418B #D1CF41 #41D187

split-complementary

#4143D1 #D18741 #8BD141

monochromatic

#1E1F7A #292BAB #4143D1 #7274DD #A4A5E9

Accessibility & contrast

On white

7.12

#4143D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4143D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4143D1

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143D1	#FFFFFF	#000000	##FFFFFF
##4143D1	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)

#005FD5

Deuteranopia (green-blind)

#0051CE

Tritanopia (blue-blind)

#006985

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4143d1;
/* rgb */ color: rgb(65, 67, 209);
/* oklch */ color: oklch(47.9% 0.212 274.3);

Tailwind

colors: {
  custom: {
    50: '#8878e0',
    500: '#4143d1',
    950: '#000000',
  },
}

SCSS

$custom: #4143d1;
$custom-light: #8878e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4143d1",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 209
  },
  "hsl": {
    "h": 239.167,
    "s": 61.017,
    "l": 53.725
  },
  "oklch": {
    "l": 0.4785,
    "c": 0.21204,
    "h": 274.3
  },
  "luminance": 0.09742
}

Semantic roles & 50–950 ramp

primary

#4143D1

secondary

#D6D598

accent

#E244E4

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4143D1

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

Preview Lab → · Contrast checker → · Palette generator →