#4041B7#4041B7

#4041B7 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.181 H 275.9°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#4041B7
RGB	rgb(64, 65, 183)
HSL	hsl(239, 48%, 48%)
HSV	hsv(239, 65%, 72%)
CMYK	cmyk(65%, 64.5%, 0%, 28.2%)
CIE-LAB	lab(34.58, 36.60, -62.57)
CIE-LCH	lch(34.58, 72.49, 300.32°)
OKLab	oklab(45.1% 0.0188 -0.1804)
OKLCH	oklch(45.1% 0.181 275.9)
XYZ	xyz(12.5491, 8.2884, 45.7291)
Luminance	0.0829 (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

#4041B7 #B7B640

analogous

#407CB7 #4041B7 #7A40B7

triadic

#4041B7 #B74041 #41B740

tetradic

#4041B7 #B7407C #B7B640 #40B77A

square

#4041B7 #B7407C #B7B640 #40B77A

split-complementary

#4041B7 #B77A40 #7CB740

monochromatic

#20215C #30318A #4041B7 #696ACB #9797DB

Accessibility & contrast

On white

7.90

#4041B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#4041B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041B7

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041B7	#FFFFFF	#000000	##FFFFFF
##4041B7	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BB

Deuteranopia (green-blind)

#004CB5

Tritanopia (blue-blind)

#005F76

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4041b7;
/* rgb */ color: rgb(64, 65, 183);
/* oklch */ color: oklch(45.1% 0.181 275.9);

Tailwind

colors: {
  custom: {
    50: '#8376ce',
    500: '#4041b7',
    950: '#000000',
  },
}

SCSS

$custom: #4041b7;
$custom-light: #8376ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4041b7",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 183
  },
  "hsl": {
    "h": 239.496,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45104,
    "c": 0.18139,
    "h": 275.9
  },
  "luminance": 0.08289
}

Semantic roles & 50–950 ramp

primary

#4041B7

secondary

#C6C68D

accent

#D750D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4041B7

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

Preview Lab → · Contrast checker → · Palette generator →