#4041D8#4041D8

#4041D8 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.223 H 273.9°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#4041D8
RGB	rgb(64, 65, 216)
HSL	hsl(240, 66%, 55%)
HSV	hsv(240, 70%, 85%)
CMYK	cmyk(70.4%, 69.9%, 0%, 15.3%)
CIE-LAB	lab(37.53, 47.60, -76.96)
CIE-LCH	lch(37.53, 90.49, 301.74°)
OKLab	oklab(48.14% 0.015 -0.2225)
OKLCH	oklch(48.14% 0.223 273.9)
XYZ	xyz(16.3952, 9.8269, 65.9852)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.30

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4041D8 #D8D740

analogous

#408DD8 #4041D8 #8B40D8

triadic

#4041D8 #D84041 #41D840

tetradic

#4041D8 #D8408D #D8D740 #40D88B

square

#4041D8 #D8408D #D8D740 #40D88B

split-complementary

#4041D8 #D88B40 #8DD840

monochromatic

#1B1B83 #2526B6 #4041D8 #7374E2 #A6A6ED

Accessibility & contrast

On white

7.08

#4041D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4041D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041D8

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041D8	#FFFFFF	#000000	##FFFFFF
##4041D8	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDD

Deuteranopia (green-blind)

#0051D5

Tritanopia (blue-blind)

#006B88

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4041d8;
/* rgb */ color: rgb(64, 65, 216);
/* oklch */ color: oklch(48.1% 0.223 273.9);

Tailwind

colors: {
  custom: {
    50: '#8a77e5',
    500: '#4041d8',
    950: '#000000',
  },
}

SCSS

$custom: #4041d8;
$custom-light: #8a77e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4041d8",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 216
  },
  "hsl": {
    "h": 239.605,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48143,
    "c": 0.22302,
    "h": 273.9
  },
  "luminance": 0.09828
}

Semantic roles & 50–950 ramp

primary

#4041D8

secondary

#DAD99A

accent

#E83FE9

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4041D8

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

Preview Lab → · Contrast checker → · Palette generator →