#4041D9#4041D9

#4041D9 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.2% C 0.224 H 273.8°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#4041D9
RGB	rgb(64, 65, 217)
HSL	hsl(240, 67%, 55%)
HSV	hsv(240, 71%, 85%)
CMYK	cmyk(70.5%, 70%, 0%, 14.9%)
CIE-LAB	lab(37.62, 47.93, -77.38)
CIE-LCH	lch(37.62, 91.02, 301.77°)
OKLab	oklab(48.24% 0.0149 -0.2237)
OKLCH	oklch(48.24% 0.224 273.8)
XYZ	xyz(16.5249, 9.8787, 66.6681)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.31

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4041D9 #D9D840

analogous

#408DD9 #4041D9 #8C40D9

triadic

#4041D9 #D94041 #41D940

tetradic

#4041D9 #D9408D #D9D840 #40D98C

square

#4041D9 #D9408D #D9D840 #40D98C

split-complementary

#4041D9 #D98C40 #8DD940

monochromatic

#1A1B84 #2425B7 #4041D9 #7374E3 #A6A7ED

Accessibility & contrast

On white

7.06

#4041D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4041D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041D9

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041D9	#FFFFFF	#000000	##FFFFFF
##4041D9	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0051D6

Tritanopia (blue-blind)

#006B88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4041d9;
/* rgb */ color: rgb(64, 65, 217);
/* oklch */ color: oklch(48.2% 0.224 273.8);

Tailwind

colors: {
  custom: {
    50: '#8a77e6',
    500: '#4041d9',
    950: '#000000',
  },
}

SCSS

$custom: #4041d9;
$custom-light: #8a77e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4041d9",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 217
  },
  "hsl": {
    "h": 239.608,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48239,
    "c": 0.22422,
    "h": 273.8
  },
  "luminance": 0.0988
}

Semantic roles & 50–950 ramp

primary

#4041D9

secondary

#DADA9A

accent

#E93EEA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4041D9

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

Preview Lab → · Contrast checker → · Palette generator →