#041023#041023

#041023 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.4% C 0.044 H 257.3°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#041023
RGB	rgb(4, 16, 35)
HSL	hsl(217, 79%, 8%)
HSV	hsv(217, 89%, 14%)
CMYK	cmyk(88.6%, 54.3%, 0%, 86.3%)
CIE-LAB	lab(4.68, 1.91, -13.96)
CIE-LCH	lch(4.68, 14.09, 277.78°)
OKLab	oklab(17.37% -0.0097 -0.0429)
OKLCH	oklch(17.37% 0.044 257.3)
XYZ	xyz(0.5386, 0.5177, 1.6613)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041023 #231704

analogous

#041F23 #041023 #070423

triadic

#041023 #230410 #102304

tetradic

#041023 #23041F #231704 #042307

square

#041023 #23041F #231704 #042307

split-complementary

#041023 #230704 #1F2304

monochromatic

#030D1B #030D1B #041023 #0A295A #114291

Accessibility & contrast

On white

19.03

#041023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#041023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041023

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041023	#FFFFFF	#000000	##FFFFFF
##041023	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071224

Deuteranopia (green-blind)

#040F23

Tritanopia (blue-blind)

#001417

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #041023;
/* rgb */ color: rgb(4, 16, 35);
/* oklch */ color: oklch(17.4% 0.044 257.3);

Tailwind

colors: {
  custom: {
    50: '#484e5e',
    500: '#041023',
    950: '#000000',
  },
}

SCSS

$custom: #041023;
$custom-light: #484e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#041023",
  "rgb": {
    "r": 4,
    "g": 16,
    "b": 35
  },
  "hsl": {
    "h": 216.774,
    "s": 79.487,
    "l": 7.647
  },
  "oklch": {
    "l": 0.17371,
    "c": 0.04394,
    "h": 257.3
  },
  "luminance": 0.00518
}

Semantic roles & 50–950 ramp

primary

#041023

secondary

#664A1D

accent

#AA32F6

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #041023

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

Preview Lab → · Contrast checker → · Palette generator →