#1B1059#1B1059

#1B1059 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.9% C 0.122 H 279.7°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX#1B1059
RGBrgb(27, 16, 89)
HSLhsl(249, 70%, 21%)
HSVhsv(249, 82%, 35%)
CMYKcmyk(69.7%, 82%, 0%, 65.1%)
CIE-LABlab(11.45, 29.19, -41.62)
CIE-LCHlch(11.45, 50.84, 305.04°)
OKLaboklab(24.95% 0.0205 -0.1201)
OKLCHoklch(24.95% 0.122 279.7)
XYZxyz(2.4399, 1.3247, 9.5764)
Luminance0.0132 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B1059 #4E5910
analogous
#102959 #1B1059 #3F1059
triadic
#1B1059 #591B10 #10591B
tetradic
#1B1059 #591029 #4E5910 #10593F
square
#1B1059 #591029 #4E5910 #10593F
split-complementary
#1B1059 #593F10 #295910
monochromatic
#08051A #0B0725 #1B1059 #2B198D #3A23C1

Accessibility & contrast

On white

16.60
#1B1059 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#1B1059 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1059
16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B1059#FFFFFF#000000##FFFFFF
##1B10591.0016.601.2616.60
#FFFFFF16.601.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00215B
Deuteranopia (green-blind)
#001C58
Tritanopia (blue-blind)
#002534
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #1b1059;
/* rgb */ color: rgb(27, 16, 89);
/* oklch */ color: oklch(24.9% 0.122 279.7);
Tailwind
colors: {
  custom: {
    50: '#625089',
    500: '#1b1059',
    950: '#000000',
  },
}
SCSS
$custom: #1b1059;
$custom-light: #625089;
$custom-dark: #000000;
JSON
{
  "hex": "#1b1059",
  "rgb": {
    "r": 27,
    "g": 16,
    "b": 89
  },
  "hsl": {
    "h": 249.041,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24948,
    "c": 0.12189,
    "h": 279.7
  },
  "luminance": 0.01325
}

Semantic roles & 50–950 ramp

primary
#1B1059
secondary
#849233
accent
#EC3BD2
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#06020B
muted
#7A787C

Preview Lab

Preview with #1B1059

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

Preview Lab → · Contrast checker → · Palette generator →

#1B1059 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva