#01001D#01001D

#01001D is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 10.7% C 0.071 H 269.1°. Best body text is #FFFFFF at 20.61:1 contrast (WCAG AA passes).

Color values

HEX#01001D
RGBrgb(1, 0, 29)
HSLhsl(242, 100%, 6%)
HSVhsv(242, 100%, 11%)
CMYKcmyk(96.6%, 100%, 0%, 88.6%)
CIE-LABlab(0.86, 5.89, -15.04)
CIE-LCHlch(0.86, 16.16, 291.38°)
OKLaboklab(10.68% -0.0011 -0.0706)
OKLCHoklch(10.68% 0.071 269.1)
XYZxyz(0.2342, 0.0951, 1.1682)
Luminance0.0009 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#01001D #1C1D00
analogous
#000D1D #01001D #0F001D
triadic
#01001D #1D0100 #001D01
tetradic
#01001D #1D000D #1C1D00 #001D0F
square
#01001D #1D000D #1C1D00 #001D0F
split-complementary
#01001D #1D0F00 #0D1D00
monochromatic
#01001F #01001F #01001F #03005A #050097

Accessibility & contrast

On white

20.61
#01001D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.02
#01001D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01001D
20.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##01001D#FFFFFF#000000##FFFFFF
##01001D1.0020.611.0220.61
#FFFFFF20.611.0021.001.00
#0000001.0221.001.0021.00
##FFFFFF20.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00041E
Deuteranopia (green-blind)
#00021C
Tritanopia (blue-blind)
#00060C
Achromatopsia (no color)
#030303

Design tokens & code

CSS
--color: #01001d;
/* rgb */ color: rgb(1, 0, 29);
/* oklch */ color: oklch(10.7% 0.071 269.1);
Tailwind
colors: {
  custom: {
    50: '#464758',
    500: '#01001d',
    950: '#000000',
  },
}
SCSS
$custom: #01001d;
$custom-light: #464758;
$custom-dark: #000000;
JSON
{
  "hex": "#01001d",
  "rgb": {
    "r": 1,
    "g": 0,
    "b": 29
  },
  "hsl": {
    "h": 242.069,
    "s": 100,
    "l": 5.686
  },
  "oklch": {
    "l": 0.10681,
    "c": 0.07057,
    "h": 269.1
  },
  "luminance": 0.00095
}

Semantic roles & 50–950 ramp

primary
#01001D
secondary
#646712
accent
#FF29F8
background
#F3F3F5
surface
#E5E5E9
border
#C1C1C5
text
#000003
muted
#767778

Preview Lab

Preview with #01001D

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

Preview Lab → · Contrast checker → · Palette generator →

#01001D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva