#001523#001523

#001523 is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 18.6% C 0.041 H 238.2°. Best body text is #FFFFFF at 18.56:1 contrast (WCAG AA passes).

Color values

HEX#001523
RGBrgb(0, 21, 35)
HSLhsl(204, 100%, 7%)
HSVhsv(204, 100%, 14%)
CMYKcmyk(100%, 40%, 0%, 86.3%)
CIE-LABlab(5.94, -2.20, -12.03)
CIE-LCHlch(5.94, 12.23, 259.65°)
OKLaboklab(18.59% -0.0218 -0.0352)
OKLCHoklch(18.59% 0.041 238.2)
XYZxyz(0.5714, 0.6576, 1.6866)
Luminance0.0066 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#001523 #230E00
analogous
#002320 #001523 #000423
triadic
#001523 #230015 #152300
tetradic
#001523 #200023 #230E00 #042300
square
#001523 #200023 #230E00 #042300
split-complementary
#001523 #230004 #232000
monochromatic
#00121F #00121F #001523 #003A60 #005E9D

Accessibility & contrast

On white

18.56
#001523 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.13
#001523 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001523
18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##001523#FFFFFF#000000##FFFFFF
##0015231.0018.561.1318.56
#FFFFFF18.561.0021.001.00
#0000001.1321.001.0021.00
##FFFFFF18.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0E1524
Deuteranopia (green-blind)
#091223
Tritanopia (blue-blind)
#00191A
Achromatopsia (no color)
#131313

Design tokens & code

CSS
--color: #001523;
/* rgb */ color: rgb(0, 21, 35);
/* oklch */ color: oklch(18.6% 0.041 238.2);
Tailwind
colors: {
  custom: {
    50: '#46525d',
    500: '#001523',
    950: '#000000',
  },
}
SCSS
$custom: #001523;
$custom-light: #46525d;
$custom-dark: #000000;
JSON
{
  "hex": "#001523",
  "rgb": {
    "r": 0,
    "g": 21,
    "b": 35
  },
  "hsl": {
    "h": 204,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.18592,
    "c": 0.04138,
    "h": 238.2
  },
  "luminance": 0.00658
}

Semantic roles & 50–950 ramp

primary
#001523
secondary
#6C3713
accent
#7E29FF
background
#F4F4F5
surface
#E6E7E9
border
#C2C3C5
text
#000204
muted
#777879

Preview Lab

Preview with #001523

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

Preview Lab → · Contrast checker → · Palette generator →

#001523 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva