#010B2E#010B2E

#010B2E is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.073 H 262.9°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX#010B2E
RGBrgb(1, 11, 46)
HSLhsl(227, 96%, 9%)
HSVhsv(227, 98%, 18%)
CMYKcmyk(97.8%, 76.1%, 0%, 82%)
CIE-LABlab(4.00, 8.36, -23.38)
CIE-LCHlch(4.00, 24.83, 289.68°)
OKLaboklab(16.85% -0.0091 -0.0725)
OKLCHoklch(16.85% 0.073 262.9)
XYZxyz(0.6252, 0.4430, 2.6368)
Luminance0.0044 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#010B2E #2E2401
analogous
#01222E #010B2E #0E012E
triadic
#010B2E #2E010B #0B2E01
tetradic
#010B2E #2E0122 #2E2401 #012E0E
square
#010B2E #2E0122 #2E2401 #012E0E
split-complementary
#010B2E #2E0E01 #222E01
monochromatic
#01071E #01071E #010B2E #02196A #0428A6

Accessibility & contrast

On white

19.29
#010B2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.09
#010B2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B2E
19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##010B2E#FFFFFF#000000##FFFFFF
##010B2E1.0019.291.0919.29
#FFFFFF19.291.0021.001.00
#0000001.0921.001.0021.00
##FFFFFF19.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00102F
Deuteranopia (green-blind)
#000C2D
Tritanopia (blue-blind)
#00141A
Achromatopsia (no color)
#0E0E0E

Design tokens & code

CSS
--color: #010b2e;
/* rgb */ color: rgb(1, 11, 46);
/* oklch */ color: oklch(16.9% 0.073 262.9);
Tailwind
colors: {
  custom: {
    50: '#484b67',
    500: '#010b2e',
    950: '#000000',
  },
}
SCSS
$custom: #010b2e;
$custom-light: #484b67;
$custom-dark: #000000;
JSON
{
  "hex": "#010b2e",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 46
  },
  "hsl": {
    "h": 226.667,
    "s": 95.745,
    "l": 9.216
  },
  "oklch": {
    "l": 0.16851,
    "c": 0.07307,
    "h": 262.9
  },
  "luminance": 0.00443
}

Semantic roles & 50–950 ramp

primary
#010B2E
secondary
#745F17
accent
#CF29FF
background
#F4F4F6
surface
#E7E7EB
border
#C3C3C6
text
#010106
muted
#77777A

Preview Lab

Preview with #010B2E

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

Preview Lab → · Contrast checker → · Palette generator →

#010B2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva