#1F418E#1F418E

#1F418E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.134 H 263.5°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX#1F418E
RGBrgb(31, 65, 142)
HSLhsl(222, 64%, 34%)
HSVhsv(222, 78%, 56%)
CMYKcmyk(78.2%, 54.2%, 0%, 44.3%)
CIE-LABlab(29.47, 16.88, -46.25)
CIE-LCHlch(29.47, 49.24, 290.05°)
OKLaboklab(39.79% -0.0151 -0.1332)
OKLCHoklch(39.79% 0.134 263.5)
XYZxyz(7.3361, 6.0241, 26.3621)
Luminance0.0602 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F418E #8E6C1F
analogous
#1F798E #1F418E #351F8E
triadic
#1F418E #8E1F41 #418E1F
tetradic
#1F418E #8E1F79 #8E6C1F #1F8E35
square
#1F418E #8E1F79 #8E6C1F #1F8E35
split-complementary
#1F418E #8E351F #798E1F
monochromatic
#09132A #142A5C #1F418E #2A58C0 #4F79D9

Accessibility & contrast

On white

9.52
#1F418E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.21
#1F418E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F418E
9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F418E#FFFFFF#000000##FFFFFF
##1F418E1.009.522.219.52
#FFFFFF9.521.0021.001.00
#0000002.2121.001.0021.00
##FFFFFF9.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#084B91
Deuteranopia (green-blind)
#00418C
Tritanopia (blue-blind)
#005461
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #1f418e;
/* rgb */ color: rgb(31, 65, 142);
/* oklch */ color: oklch(39.8% 0.134 263.5);
Tailwind
colors: {
  custom: {
    50: '#6c75b0',
    500: '#1f418e',
    950: '#000000',
  },
}
SCSS
$custom: #1f418e;
$custom-light: #6c75b0;
$custom-dark: #000000;
JSON
{
  "hex": "#1f418e",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 142
  },
  "hsl": {
    "h": 221.622,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39794,
    "c": 0.13408,
    "h": 263.5
  },
  "luminance": 0.06025
}

Semantic roles & 50–950 ramp

primary
#1F418E
secondary
#BB9A4D
accent
#B441E7
background
#F7F7FA
surface
#EDEDF5
border
#C8C8CF
text
#080810
muted
#7B7B7F

Preview Lab

Preview with #1F418E

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

Preview Lab → · Contrast checker → · Palette generator →

#1F418E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva