#01042D#01042D

#01042D is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.9% C 0.083 H 265.9°. Best body text is #FFFFFF at 19.88:1 contrast (WCAG AA passes).

Color values

HEX	#01042D
RGB	rgb(1, 4, 45)
HSL	hsl(236, 96%, 9%)
HSV	hsv(236, 98%, 18%)
CMYK	cmyk(97.8%, 91.1%, 0%, 82.4%)
CIE-LAB	lab(2.55, 10.68, -24.92)
CIE-LCH	lch(2.55, 27.11, 293.20°)
OKLab	oklab(14.89% -0.006 -0.083)
OKLCH	oklch(14.89% 0.083 265.9)
XYZ	xyz(0.5294, 0.2827, 2.5088)
Luminance	0.0028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01042D #2D2A01

analogous

#011A2D #01042D #14012D

triadic

#01042D #2D0104 #042D01

tetradic

#01042D #2D011A #2D2A01 #012D14

square

#01042D #2D011A #2D2A01 #012D14

split-complementary

#01042D #2D1401 #1A2D01

monochromatic

#01031E #01031E #01042D #020969 #040FA5

Accessibility & contrast

On white

19.88

#01042D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#01042D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01042D

19.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01042D	#FFFFFF	#000000	##FFFFFF
##01042D	1.00	19.88	1.06	19.88
#FFFFFF	19.88	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2E

Deuteranopia (green-blind)

#00072C

Tritanopia (blue-blind)

#001017

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #01042d;
/* rgb */ color: rgb(1, 4, 45);
/* oklch */ color: oklch(14.9% 0.083 265.9);

Tailwind

colors: {
  custom: {
    50: '#484866',
    500: '#01042d',
    950: '#000000',
  },
}

SCSS

$custom: #01042d;
$custom-light: #484866;
$custom-dark: #000000;

JSON

{
  "hex": "#01042d",
  "rgb": {
    "r": 1,
    "g": 4,
    "b": 45
  },
  "hsl": {
    "h": 235.909,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.14886,
    "c": 0.08324,
    "h": 265.9
  },
  "luminance": 0.00283
}

Semantic roles & 50–950 ramp

primary

#01042D

secondary

#736D17

accent

#F029FF

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #01042D

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

Preview Lab → · Contrast checker → · Palette generator →