#1A4BA1#1A4BA1

#1A4BA1 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.149 H 260.8°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX#1A4BA1
RGBrgb(26, 75, 161)
HSLhsl(218, 72%, 37%)
HSVhsv(218, 84%, 63%)
CMYKcmyk(83.9%, 53.4%, 0%, 36.9%)
CIE-LABlab(33.61, 17.15, -51.11)
CIE-LCHlch(33.61, 53.91, 288.55°)
OKLaboklab(43.35% -0.0239 -0.1474)
OKLCHoklch(43.35% 0.149 260.8)
XYZxyz(9.3728, 7.8238, 34.7275)
Luminance0.0783 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A4BA1 #A1701A
analogous
#1A8FA1 #1A4BA1 #2C1AA1
triadic
#1A4BA1 #A11A4B #4BA11A
tetradic
#1A4BA1 #A11A8F #A1701A #1AA12C
square
#1A4BA1 #A11A8F #A1701A #1AA12C
split-complementary
#1A4BA1 #A12C1A #8FA11A
monochromatic
#091A38 #11326C #1A4BA1 #2364D6 #5287E3

Accessibility & contrast

On white

8.19
#1A4BA1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#1A4BA1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4BA1
8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A4BA1#FFFFFF#000000##FFFFFF
##1A4BA11.008.192.578.19
#FFFFFF8.191.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0955A4
Deuteranopia (green-blind)
#00499F
Tritanopia (blue-blind)
#00606E
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1a4ba1;
/* rgb */ color: rgb(26, 75, 161);
/* oklch */ color: oklch(43.3% 0.149 260.8);
Tailwind
colors: {
  custom: {
    50: '#6f7cbd',
    500: '#1a4ba1',
    950: '#000000',
  },
}
SCSS
$custom: #1a4ba1;
$custom-light: #6f7cbd;
$custom-dark: #000000;
JSON
{
  "hex": "#1a4ba1",
  "rgb": {
    "r": 26,
    "g": 75,
    "b": 161
  },
  "hsl": {
    "h": 218.222,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.43347,
    "c": 0.14931,
    "h": 260.8
  },
  "luminance": 0.07825
}

Semantic roles & 50–950 ramp

primary
#1A4BA1
secondary
#C69B51
accent
#AD39EF
background
#F7F7FB
surface
#EDEEF7
border
#C8C9D0
text
#090912
muted
#7B7B81

Preview Lab

Preview with #1A4BA1

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

Preview Lab → · Contrast checker → · Palette generator →

#1A4BA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva