#4041B4#4041B4

#4041B4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.177 H 276.1°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#4041B4
RGB	rgb(64, 65, 180)
HSL	hsl(239, 48%, 48%)
HSV	hsv(239, 64%, 71%)
CMYK	cmyk(64.4%, 63.9%, 0%, 29.4%)
CIE-LAB	lab(34.32, 35.58, -61.21)
CIE-LCH	lch(34.32, 70.80, 300.17°)
OKLab	oklab(44.84% 0.019 -0.1764)
OKLCH	oklch(44.84% 0.177 276.1)
XYZ	xyz(12.2402, 8.1648, 44.1021)
Luminance	0.0817 (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

#4041B4 #B4B340

analogous

#407BB4 #4041B4 #7940B4

triadic

#4041B4 #B44041 #41B440

tetradic

#4041B4 #B4407B #B4B340 #40B479

square

#4041B4 #B4407B #B4B340 #40B479

split-complementary

#4041B4 #B47940 #7BB440

monochromatic

#20205A #303187 #4041B4 #6869C9 #9596D9

Accessibility & contrast

On white

7.98

#4041B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#4041B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041B4

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041B4	#FFFFFF	#000000	##FFFFFF
##4041B4	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#004CB2

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4041b4;
/* rgb */ color: rgb(64, 65, 180);
/* oklch */ color: oklch(44.8% 0.177 276.1);

Tailwind

colors: {
  custom: {
    50: '#8276cb',
    500: '#4041b4',
    950: '#000000',
  },
}

SCSS

$custom: #4041b4;
$custom-light: #8276cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4041b4",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 180
  },
  "hsl": {
    "h": 239.483,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44841,
    "c": 0.17745,
    "h": 276.1
  },
  "luminance": 0.08166
}

Semantic roles & 50–950 ramp

primary

#4041B4

secondary

#C5C48B

accent

#D651D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4041B4

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

Preview Lab → · Contrast checker → · Palette generator →