#1A3A90#1A3A90

#1A3A90 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.147 H 264.7°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX#1A3A90
RGBrgb(26, 58, 144)
HSLhsl(224, 69%, 33%)
HSVhsv(224, 82%, 56%)
CMYKcmyk(81.9%, 59.7%, 0%, 43.5%)
CIE-LABlab(27.46, 21.97, -50.76)
CIE-LCHlch(27.46, 55.32, 293.41°)
OKLaboklab(38.27% -0.0136 -0.1467)
OKLCHoklch(38.27% 0.147 264.7)
XYZxyz(6.9713, 5.2585, 27.0277)
Luminance0.0526 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A3A90 #90701A
analogous
#1A7590 #1A3A90 #351A90
triadic
#1A3A90 #901A3A #3A901A
tetradic
#1A3A90 #901A75 #90701A #1A9035
square
#1A3A90 #901A75 #90701A #1A9035
split-complementary
#1A3A90 #90351A #75901A
monochromatic
#071028 #11255C #1A3A90 #234FC4 #4770DE

Accessibility & contrast

On white

10.23
#1A3A90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#1A3A90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A90
10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A3A90#FFFFFF#000000##FFFFFF
##1A3A901.0010.232.0510.23
#FFFFFF10.231.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004693
Deuteranopia (green-blind)
#003C8E
Tritanopia (blue-blind)
#00505F
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #1a3a90;
/* rgb */ color: rgb(26, 58, 144);
/* oklch */ color: oklch(38.3% 0.147 264.7);
Tailwind
colors: {
  custom: {
    50: '#6c6fb1',
    500: '#1a3a90',
    950: '#000000',
  },
}
SCSS
$custom: #1a3a90;
$custom-light: #6c6fb1;
$custom-dark: #000000;
JSON
{
  "hex": "#1a3a90",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 223.729,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38272,
    "c": 0.14733,
    "h": 264.7
  },
  "luminance": 0.05259
}

Semantic roles & 50–950 ramp

primary
#1A3A90
secondary
#BF9E47
accent
#BC3CEC
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080711
muted
#7B7A80

Preview Lab

Preview with #1A3A90

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

Preview Lab → · Contrast checker → · Palette generator →

#1A3A90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva