#4041BB#4041BB

#4041BB is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.187 H 275.7°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#4041BB
RGB	rgb(64, 65, 187)
HSL	hsl(240, 49%, 49%)
HSV	hsv(240, 66%, 73%)
CMYK	cmyk(65.8%, 65.2%, 0%, 26.7%)
CIE-LAB	lab(34.92, 37.95, -64.38)
CIE-LCH	lch(34.92, 74.73, 300.52°)
OKLab	oklab(45.46% 0.0184 -0.1857)
OKLCH	oklch(45.46% 0.187 275.7)
XYZ	xyz(12.9713, 8.4573, 47.9529)
Luminance	0.0846 (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

#4041BB #BBBA40

analogous

#407FBB #4041BB #7D40BB

triadic

#4041BB #BB4041 #41BB40

tetradic

#4041BB #BB407F #BBBA40 #40BB7D

square

#4041BB #BB407F #BBBA40 #40BB7D

split-complementary

#4041BB #BB7D40 #7FBB40

monochromatic

#212160 #30318D #4041BB #6C6CCD #999ADC

Accessibility & contrast

On white

7.80

#4041BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4041BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041BB

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041BB	#FFFFFF	#000000	##FFFFFF
##4041BB	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4041bb;
/* rgb */ color: rgb(64, 65, 187);
/* oklch */ color: oklch(45.5% 0.187 275.7);

Tailwind

colors: {
  custom: {
    50: '#8476d0',
    500: '#4041bb',
    950: '#000000',
  },
}

SCSS

$custom: #4041bb;
$custom-light: #8476d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4041bb",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 187
  },
  "hsl": {
    "h": 239.512,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45458,
    "c": 0.18662,
    "h": 275.7
  },
  "luminance": 0.08458
}

Semantic roles & 50–950 ramp

primary

#4041BB

secondary

#C8C88F

accent

#D74FD9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4041BB

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

Preview Lab → · Contrast checker → · Palette generator →