#041A3F#041A3F

#041A3F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.077 H 259.6°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#041A3F
RGB	rgb(4, 26, 63)
HSL	hsl(218, 88%, 13%)
HSV	hsv(218, 94%, 25%)
CMYK	cmyk(93.7%, 58.7%, 0%, 75.3%)
CIE-LAB	lab(9.98, 8.09, -26.10)
CIE-LCH	lch(9.98, 27.33, 287.23°)
OKLab	oklab(22.66% -0.0139 -0.0752)
OKLCH	oklch(22.66% 0.077 259.6)
XYZ	xyz(1.3163, 1.1233, 4.8491)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041A3F #3F2904

analogous

#04373F #041A3F #0B043F

triadic

#041A3F #3F041A #1A3F04

tetradic

#041A3F #3F0437 #3F2904 #043F0B

square

#041A3F #3F0437 #3F2904 #043F0B

split-complementary

#041A3F #3F0B04 #373F04

monochromatic

#020C1D #020C1D #041A3F #083279 #0B49B2

Accessibility & contrast

On white

17.15

#041A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#041A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041A3F

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041A3F	#FFFFFF	#000000	##FFFFFF
##041A3F	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031E40

Deuteranopia (green-blind)

#00193E

Tritanopia (blue-blind)

#002329

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #041a3f;
/* rgb */ color: rgb(4, 26, 63);
/* oklch */ color: oklch(22.7% 0.077 259.6);

Tailwind

colors: {
  custom: {
    50: '#505574',
    500: '#041a3f',
    950: '#000000',
  },
}

SCSS

$custom: #041a3f;
$custom-light: #505574;
$custom-dark: #000000;

JSON

{
  "hex": "#041a3f",
  "rgb": {
    "r": 4,
    "g": 26,
    "b": 63
  },
  "hsl": {
    "h": 217.627,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.2266,
    "c": 0.07651,
    "h": 259.6
  },
  "luminance": 0.01123
}

Semantic roles & 50–950 ramp

primary

#041A3F

secondary

#805C1E

accent

#AF2AFE

background

#F4F4F7

surface

#E7E8ED

border

#C3C4C8

text

#020308

muted

#78787B

Preview Lab

Preview with #041A3F

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

Preview Lab → · Contrast checker → · Palette generator →