#1E43A4#1E43A4

#1E43A4 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.162 H 264.5°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#1E43A4
RGBrgb(30, 67, 164)
HSLhsl(223, 69%, 38%)
HSVhsv(223, 82%, 64%)
CMYKcmyk(81.7%, 59.1%, 0%, 35.7%)
CIE-LABlab(31.74, 24.15, -55.96)
CIE-LCHlch(31.74, 60.94, 293.34°)
OKLaboklab(42.04% -0.0157 -0.1617)
OKLCHoklch(42.04% 0.162 264.5)
XYZxyz(9.2410, 6.9696, 35.9730)
Luminance0.0697 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E43A4 #A47F1E
analogous
#1E86A4 #1E43A4 #3C1EA4
triadic
#1E43A4 #A41E43 #43A41E
tetradic
#1E43A4 #A41E86 #A47F1E #1EA43C
square
#1E43A4 #A41E86 #A47F1E #1EA43C
split-complementary
#1E43A4 #A43C1E #86A41E
monochromatic
#0B193D #152E70 #1E43A4 #2858D8 #5B80E1

Accessibility & contrast

On white

8.77
#1E43A4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#1E43A4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E43A4
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E43A4#FFFFFF#000000##FFFFFF
##1E43A41.008.772.398.77
#FFFFFF8.771.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051A7
Deuteranopia (green-blind)
#0045A2
Tritanopia (blue-blind)
#005C6D
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #1e43a4;
/* rgb */ color: rgb(30, 67, 164);
/* oklch */ color: oklch(42.0% 0.162 264.5);
Tailwind
colors: {
  custom: {
    50: '#7176c0',
    500: '#1e43a4',
    950: '#000000',
  },
}
SCSS
$custom: #1e43a4;
$custom-light: #7176c0;
$custom-dark: #000000;
JSON
{
  "hex": "#1e43a4",
  "rgb": {
    "r": 30,
    "g": 67,
    "b": 164
  },
  "hsl": {
    "h": 223.433,
    "s": 69.072,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42038,
    "c": 0.16249,
    "h": 264.5
  },
  "luminance": 0.06971
}

Semantic roles & 50–950 ramp

primary
#1E43A4
secondary
#C5A759
accent
#BB3CEC
background
#F7F7FB
surface
#EDEDF7
border
#C8C8D0
text
#090812
muted
#7B7B81

Preview Lab

Preview with #1E43A4

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

Preview Lab → · Contrast checker → · Palette generator →

#1E43A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva