#040841#040841

#040841 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.9% C 0.104 H 267.8°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#040841
RGB	rgb(4, 8, 65)
HSL	hsl(236, 88%, 14%)
HSV	hsv(236, 94%, 25%)
CMYK	cmyk(93.8%, 87.7%, 0%, 74.5%)
CIE-LAB	lab(5.25, 21.19, -35.25)
CIE-LCH	lch(5.25, 41.13, 301.02°)
OKLab	oklab(18.94% -0.004 -0.1041)
OKLCH	oklch(18.94% 0.104 267.8)
XYZ	xyz(1.0907, 0.5810, 5.0547)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040841 #413D04

analogous

#042641 #040841 #1E0441

triadic

#040841 #410408 #084104

tetradic

#040841 #410426 #413D04 #04411E

square

#040841 #410426 #413D04 #04411E

split-complementary

#040841 #411E04 #264104

monochromatic

#02041D #02041D #040841 #080F7B #0B16B4

Accessibility & contrast

On white

18.81

#040841 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#040841 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040841

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040841	#FFFFFF	#000000	##FFFFFF
##040841	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#000E40

Tritanopia (blue-blind)

#001924

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #040841;
/* rgb */ color: rgb(4, 8, 65);
/* oklch */ color: oklch(18.9% 0.104 267.8);

Tailwind

colors: {
  custom: {
    50: '#524976',
    500: '#040841',
    950: '#000000',
  },
}

SCSS

$custom: #040841;
$custom-light: #524976;
$custom-dark: #000000;

JSON

{
  "hex": "#040841",
  "rgb": {
    "r": 4,
    "g": 8,
    "b": 65
  },
  "hsl": {
    "h": 236.066,
    "s": 88.406,
    "l": 13.529
  },
  "oklch": {
    "l": 0.18943,
    "c": 0.1042,
    "h": 267.8
  },
  "luminance": 0.00581
}

Semantic roles & 50–950 ramp

primary

#040841

secondary

#827C1F

accent

#F129FF

background

#F5F4F7

surface

#E8E6ED

border

#C4C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #040841

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

Preview Lab → · Contrast checker → · Palette generator →