#1A3E88#1A3E88

#1A3E88 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.131 H 262.5°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX#1A3E88
RGBrgb(26, 62, 136)
HSLhsl(220, 68%, 32%)
HSVhsv(220, 81%, 53%)
CMYKcmyk(80.9%, 54.4%, 0%, 46.7%)
CIE-LABlab(27.96, 15.95, -45.01)
CIE-LCHlch(27.96, 47.75, 289.51°)
OKLaboklab(38.45% -0.0171 -0.1297)
OKLCHoklch(38.45% 0.131 262.5)
XYZxyz(6.5910, 5.4417, 23.9908)
Luminance0.0544 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A3E88 #88641A
analogous
#1A7588 #1A3E88 #2D1A88
triadic
#1A3E88 #881A3E #3E881A
tetradic
#1A3E88 #881A75 #88641A #1A882D
square
#1A3E88 #881A75 #88641A #1A882D
split-complementary
#1A3E88 #882D1A #75881A
monochromatic
#060F21 #102755 #1A3E88 #2455BB #4274DB

Accessibility & contrast

On white

10.06
#1A3E88 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.09
#1A3E88 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E88
10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A3E88#FFFFFF#000000##FFFFFF
##1A3E881.0010.062.0910.06
#FFFFFF10.061.0021.001.00
#0000002.0921.001.0021.00
##FFFFFF10.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#06478B
Deuteranopia (green-blind)
#003D87
Tritanopia (blue-blind)
#00505C
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #1a3e88;
/* rgb */ color: rgb(26, 62, 136);
/* oklch */ color: oklch(38.4% 0.131 262.5);
Tailwind
colors: {
  custom: {
    50: '#6972ab',
    500: '#1a3e88',
    950: '#000000',
  },
}
SCSS
$custom: #1a3e88;
$custom-light: #6972ab;
$custom-dark: #000000;
JSON
{
  "hex": "#1a3e88",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 220.364,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.38446,
    "c": 0.13083,
    "h": 262.5
  },
  "luminance": 0.05442
}

Semantic roles & 50–950 ramp

primary
#1A3E88
secondary
#BB9443
accent
#B23DEB
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070810
muted
#7A7B7F

Preview Lab

Preview with #1A3E88

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

Preview Lab → · Contrast checker → · Palette generator →

#1A3E88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva