#041C3F#041C3F

#041C3F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.2% C 0.074 H 257.8°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#041C3F
RGB	rgb(4, 28, 63)
HSL	hsl(216, 88%, 13%)
HSV	hsv(216, 94%, 25%)
CMYK	cmyk(93.7%, 55.6%, 0%, 75.3%)
CIE-LAB	lab(10.67, 6.51, -24.99)
CIE-LCH	lch(10.67, 25.82, 284.59°)
OKLab	oklab(23.19% -0.0156 -0.0719)
OKLCH	oklch(23.19% 0.074 257.8)
XYZ	xyz(1.3622, 1.2150, 4.8644)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041C3F #3F2704

analogous

#04393F #041C3F #09043F

triadic

#041C3F #3F041C #1C3F04

tetradic

#041C3F #3F0439 #3F2704 #043F09

square

#041C3F #3F0439 #3F2704 #043F09

split-complementary

#041C3F #3F0904 #393F04

monochromatic

#020D1D #020D1D #041C3F #083679 #0B4FB2

Accessibility & contrast

On white

16.89

#041C3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#041C3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041C3F

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041C3F	#FFFFFF	#000000	##FFFFFF
##041C3F	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072040

Deuteranopia (green-blind)

#001A3E

Tritanopia (blue-blind)

#00242A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #041c3f;
/* rgb */ color: rgb(4, 28, 63);
/* oklch */ color: oklch(23.2% 0.074 257.8);

Tailwind

colors: {
  custom: {
    50: '#505774',
    500: '#041c3f',
    950: '#000000',
  },
}

SCSS

$custom: #041c3f;
$custom-light: #505774;
$custom-dark: #000000;

JSON

{
  "hex": "#041c3f",
  "rgb": {
    "r": 4,
    "g": 28,
    "b": 63
  },
  "hsl": {
    "h": 215.593,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23188,
    "c": 0.07358,
    "h": 257.8
  },
  "luminance": 0.01215
}

Semantic roles & 50–950 ramp

primary

#041C3F

secondary

#80591E

accent

#A82AFE

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #041C3F

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

Preview Lab → · Contrast checker → · Palette generator →