#1A3D8D#1A3D8D

#1A3D8D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.139 H 263.4°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX#1A3D8D
RGBrgb(26, 61, 141)
HSLhsl(222, 69%, 33%)
HSVhsv(222, 82%, 55%)
CMYKcmyk(81.6%, 56.7%, 0%, 44.7%)
CIE-LABlab(28.06, 18.68, -47.94)
CIE-LCHlch(28.06, 51.45, 291.29°)
OKLaboklab(38.65% -0.0159 -0.1383)
OKLCHoklch(38.65% 0.139 263.4)
XYZxyz(6.9007, 5.4794, 25.8881)
Luminance0.0548 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A3D8D #8D6A1A
analogous
#1A768D #1A3D8D #301A8D
triadic
#1A3D8D #8D1A3D #3D8D1A
tetradic
#1A3D8D #8D1A76 #8D6A1A #1A8D30
square
#1A3D8D #8D1A76 #8D6A1A #1A8D30
split-complementary
#1A3D8D #8D301A #768D1A
monochromatic
#071026 #102759 #1A3D8D #2453C1 #4573DD

Accessibility & contrast

On white

10.02
#1A3D8D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#1A3D8D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D8D
10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A3D8D#FFFFFF#000000##FFFFFF
##1A3D8D1.0010.022.1010.02
#FFFFFF10.021.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF10.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004890
Deuteranopia (green-blind)
#003D8B
Tritanopia (blue-blind)
#00515F
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #1a3d8d;
/* rgb */ color: rgb(26, 61, 141);
/* oklch */ color: oklch(38.6% 0.139 263.4);
Tailwind
colors: {
  custom: {
    50: '#6b71af',
    500: '#1a3d8d',
    950: '#000000',
  },
}
SCSS
$custom: #1a3d8d;
$custom-light: #6b71af;
$custom-dark: #000000;
JSON
{
  "hex": "#1a3d8d",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 221.739,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38646,
    "c": 0.13925,
    "h": 263.4
  },
  "luminance": 0.0548
}

Semantic roles & 50–950 ramp

primary
#1A3D8D
secondary
#BE9945
accent
#B63CEC
background
#F6F6FA
surface
#ECECF5
border
#C7C7CF
text
#080710
muted
#7A7A7F

Preview Lab

Preview with #1A3D8D

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

Preview Lab → · Contrast checker → · Palette generator →

#1A3D8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva