#1A105A#1A105A

#1A105A is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.123 H 278.7°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX#1A105A
RGBrgb(26, 16, 90)
HSLhsl(248, 70%, 21%)
HSVhsv(248, 82%, 35%)
CMYKcmyk(71.1%, 82.2%, 0%, 64.7%)
CIE-LABlab(11.47, 29.41, -42.26)
CIE-LCHlch(11.47, 51.49, 304.84°)
OKLaboklab(24.98% 0.0187 -0.122)
OKLCHoklch(24.98% 0.123 278.7)
XYZxyz(2.4562, 1.3282, 9.7978)
Luminance0.0133 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A105A #505A10
analogous
#102B5A #1A105A #3F105A
triadic
#1A105A #5A1A10 #105A1A
tetradic
#1A105A #5A102B #505A10 #105A3F
square
#1A105A #5A102B #505A10 #105A3F
split-complementary
#1A105A #5A3F10 #2B5A10
monochromatic
#08051A #0B0726 #1A105A #29198E #3822C2

Accessibility & contrast

On white

16.59
#1A105A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#1A105A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A105A
16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A105A#FFFFFF#000000##FFFFFF
##1A105A1.0016.591.2716.59
#FFFFFF16.591.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00215C
Deuteranopia (green-blind)
#001B59
Tritanopia (blue-blind)
#002634
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #1a105a;
/* rgb */ color: rgb(26, 16, 90);
/* oklch */ color: oklch(25.0% 0.123 278.7);
Tailwind
colors: {
  custom: {
    50: '#61508a',
    500: '#1a105a',
    950: '#000000',
  },
}
SCSS
$custom: #1a105a;
$custom-light: #61508a;
$custom-dark: #000000;
JSON
{
  "hex": "#1a105a",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 248.108,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24976,
    "c": 0.12346,
    "h": 278.7
  },
  "luminance": 0.01328
}

Semantic roles & 50–950 ramp

primary
#1A105A
secondary
#869333
accent
#ED3BD5
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#06020C
muted
#7A787D

Preview Lab

Preview with #1A105A

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

Preview Lab → · Contrast checker → · Palette generator →

#1A105A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva