#4043D1#4043D1

#4043D1 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.8% C 0.212 H 274.0°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#4043D1
RGB	rgb(64, 67, 209)
HSL	hsl(239, 61%, 54%)
HSV	hsv(239, 69%, 82%)
CMYK	cmyk(69.4%, 67.9%, 0%, 18%)
CIE-LAB	lab(37.31, 44.13, -73.28)
CIE-LCH	lch(37.31, 85.54, 301.05°)
OKLab	oklab(47.79% 0.0147 -0.2118)
OKLCH	oklch(47.79% 0.212 274)
XYZ	xyz(15.6263, 9.7063, 61.3592)
Luminance	0.0971 (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

#4043D1 #D1CE40

analogous

#408BD1 #4043D1 #8540D1

triadic

#4043D1 #D14043 #43D140

tetradic

#4043D1 #D1408B #D1CE40 #40D185

square

#4043D1 #D1408B #D1CE40 #40D185

split-complementary

#4043D1 #D18540 #8BD140

monochromatic

#1D1F79 #292CAB #4043D1 #7174DD #A3A4E9

Accessibility & contrast

On white

7.14

#4043D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4043D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043D1

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043D1	#FFFFFF	#000000	##FFFFFF
##4043D1	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	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: #4043d1;
/* rgb */ color: rgb(64, 67, 209);
/* oklch */ color: oklch(47.8% 0.212 274.0);

Tailwind

colors: {
  custom: {
    50: '#8878e0',
    500: '#4043d1',
    950: '#000000',
  },
}

SCSS

$custom: #4043d1;
$custom-light: #8878e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4043d1",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 209
  },
  "hsl": {
    "h": 238.759,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47789,
    "c": 0.21229,
    "h": 274
  },
  "luminance": 0.09708
}

Semantic roles & 50–950 ramp

primary

#4043D1

secondary

#D5D497

accent

#E144E4

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4043D1

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

Preview Lab → · Contrast checker → · Palette generator →