#4041B5#4041B5

#4041B5 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.179 H 276.1°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#4041B5
RGB	rgb(64, 65, 181)
HSL	hsl(239, 48%, 48%)
HSV	hsv(239, 65%, 71%)
CMYK	cmyk(64.6%, 64.1%, 0%, 29%)
CIE-LAB	lab(34.41, 35.92, -61.67)
CIE-LCH	lch(34.41, 71.37, 300.22°)
OKLab	oklab(44.93% 0.0189 -0.1778)
OKLCH	oklch(44.93% 0.179 276.1)
XYZ	xyz(12.3424, 8.2057, 44.6405)
Luminance	0.0821 (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

#4041B5 #B5B440

analogous

#407BB5 #4041B5 #7940B5

triadic

#4041B5 #B54041 #41B540

tetradic

#4041B5 #B5407B #B5B440 #40B579

square

#4041B5 #B5407B #B5B440 #40B579

split-complementary

#4041B5 #B57940 #7BB540

monochromatic

#20215B #303188 #4041B5 #6869CA #9696DA

Accessibility & contrast

On white

7.95

#4041B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4041B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041B5

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041B5	#FFFFFF	#000000	##FFFFFF
##4041B5	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#004CB3

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4041b5;
/* rgb */ color: rgb(64, 65, 181);
/* oklch */ color: oklch(44.9% 0.179 276.1);

Tailwind

colors: {
  custom: {
    50: '#8276cc',
    500: '#4041b5',
    950: '#000000',
  },
}

SCSS

$custom: #4041b5;
$custom-light: #8276cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4041b5",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 181
  },
  "hsl": {
    "h": 239.487,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44928,
    "c": 0.17877,
    "h": 276.1
  },
  "luminance": 0.08207
}

Semantic roles & 50–950 ramp

primary

#4041B5

secondary

#C5C58B

accent

#D650D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4041B5

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

Preview Lab → · Contrast checker → · Palette generator →