#1A3A86#1A3A86

#1A3A86 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.4% C 0.133 H 263.9°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX#1A3A86
RGBrgb(26, 58, 134)
HSLhsl(222, 68%, 31%)
HSVhsv(222, 81%, 53%)
CMYKcmyk(80.6%, 56.7%, 0%, 47.5%)
CIE-LABlab(26.64, 17.93, -45.91)
CIE-LCHlch(26.64, 49.28, 291.33°)
OKLaboklab(37.4% -0.0142 -0.1324)
OKLCHoklch(37.4% 0.133 263.9)
XYZxyz(6.2406, 4.9662, 23.1793)
Luminance0.0497 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A3A86 #86661A
analogous
#1A7086 #1A3A86 #301A86
triadic
#1A3A86 #861A3A #3A861A
tetradic
#1A3A86 #861A70 #86661A #1A8630
square
#1A3A86 #861A70 #86661A #1A8630
split-complementary
#1A3A86 #86301A #70861A
monochromatic
#060E1F #102453 #1A3A86 #2450B9 #406EDA

Accessibility & contrast

On white

10.53
#1A3A86 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#1A3A86 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A86
10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A3A86#FFFFFF#000000##FFFFFF
##1A3A861.0010.531.9910.53
#FFFFFF10.531.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004489
Deuteranopia (green-blind)
#003A85
Tritanopia (blue-blind)
#004D5A
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #1a3a86;
/* rgb */ color: rgb(26, 58, 134);
/* oklch */ color: oklch(37.4% 0.133 263.9);
Tailwind
colors: {
  custom: {
    50: '#696faa',
    500: '#1a3a86',
    950: '#000000',
  },
}
SCSS
$custom: #1a3a86;
$custom-light: #696faa;
$custom-dark: #000000;
JSON
{
  "hex": "#1a3a86",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 134
  },
  "hsl": {
    "h": 222.222,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37397,
    "c": 0.13319,
    "h": 263.9
  },
  "luminance": 0.04967
}

Semantic roles & 50–950 ramp

primary
#1A3A86
secondary
#B99642
accent
#B73DEA
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #1A3A86

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

Preview Lab → · Contrast checker → · Palette generator →

#1A3A86 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva