#4041AC#4041AC

#4041AC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.167 H 276.7°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#4041AC
RGB	rgb(64, 65, 172)
HSL	hsl(239, 46%, 46%)
HSV	hsv(239, 63%, 67%)
CMYK	cmyk(62.8%, 62.2%, 0%, 32.5%)
CIE-LAB	lab(33.66, 32.86, -57.53)
CIE-LCH	lch(33.66, 66.25, 299.73°)
OKLab	oklab(44.15% 0.0195 -0.1656)
OKLCH	oklch(44.15% 0.167 276.7)
XYZ	xyz(11.4486, 7.8482, 39.9333)
Luminance	0.0785 (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

#4041AC #ACAB40

analogous

#4077AC #4041AC #7540AC

triadic

#4041AC #AC4041 #41AC40

tetradic

#4041AC #AC4077 #ACAB40 #40AC75

square

#4041AC #AC4077 #ACAB40 #40AC75

split-complementary

#4041AC #AC7540 #77AC40

monochromatic

#1F1F53 #2F307F #4041AC #6465C5 #9191D6

Accessibility & contrast

On white

8.17

#4041AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4041AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041AC

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041AC	#FFFFFF	#000000	##FFFFFF
##4041AC	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004BAA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4041ac;
/* rgb */ color: rgb(64, 65, 172);
/* oklch */ color: oklch(44.2% 0.167 276.7);

Tailwind

colors: {
  custom: {
    50: '#8176c6',
    500: '#4041ac',
    950: '#000000',
  },
}

SCSS

$custom: #4041ac;
$custom-light: #8176c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4041ac",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 172
  },
  "hsl": {
    "h": 239.444,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44153,
    "c": 0.16676,
    "h": 276.7
  },
  "luminance": 0.07849
}

Semantic roles & 50–950 ramp

primary

#4041AC

secondary

#C1C187

accent

#D452D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #4041AC

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

Preview Lab → · Contrast checker → · Palette generator →