#4043B2#4043B2

#4043B2 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.172 H 275.8°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#4043B2
RGB	rgb(64, 67, 178)
HSL	hsl(238, 47%, 47%)
HSV	hsv(238, 64%, 70%)
CMYK	cmyk(64%, 62.4%, 0%, 30.2%)
CIE-LAB	lab(34.64, 33.65, -59.52)
CIE-LCH	lch(34.64, 68.37, 299.48°)
OKLab	oklab(45.02% 0.0175 -0.1714)
OKLCH	oklch(45.02% 0.172 275.8)
XYZ	xyz(12.1548, 8.3176, 43.0758)
Luminance	0.0832 (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

#4043B2 #B2AF40

analogous

#407CB2 #4043B2 #7640B2

triadic

#4043B2 #B24043 #43B240

tetradic

#4043B2 #B2407C #B2AF40 #40B276

square

#4043B2 #B2407C #B2AF40 #40B276

split-complementary

#4043B2 #B27640 #7CB240

monochromatic

#202158 #303285 #4043B2 #6769C8 #9496D8

Accessibility & contrast

On white

7.88

#4043B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4043B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043B2

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043B2	#FFFFFF	#000000	##FFFFFF
##4043B2	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4043b2;
/* rgb */ color: rgb(64, 67, 178);
/* oklch */ color: oklch(45.0% 0.172 275.8);

Tailwind

colors: {
  custom: {
    50: '#8277ca',
    500: '#4043b2',
    950: '#000000',
  },
}

SCSS

$custom: #4043b2;
$custom-light: #8277ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4043b2",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 178
  },
  "hsl": {
    "h": 238.421,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45018,
    "c": 0.17233,
    "h": 275.8
  },
  "luminance": 0.08319
}

Semantic roles & 50–950 ramp

primary

#4043B2

secondary

#C4C28A

accent

#D351D7

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4043B2

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

Preview Lab → · Contrast checker → · Palette generator →