#1F1369#1F1369

#1F1369 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.139 H 278.4°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX#1F1369
RGBrgb(31, 19, 105)
HSLhsl(248, 69%, 24%)
HSVhsv(248, 82%, 41%)
CMYKcmyk(70.5%, 81.9%, 0%, 58.8%)
CIE-LABlab(14.27, 33.42, -47.61)
CIE-LCHlch(14.27, 58.17, 305.06°)
OKLaboklab(27.57% 0.0204 -0.1375)
OKLCHoklch(27.57% 0.139 278.4)
XYZxyz(3.3469, 1.7767, 13.5284)
Luminance0.0178 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F1369 #5D6913
analogous
#133269 #1F1369 #4A1369
triadic
#1F1369 #691F13 #13691F
tetradic
#1F1369 #691332 #5D6913 #13694A
square
#1F1369 #691332 #5D6913 #13694A
split-complementary
#1F1369 #694A13 #326913
monochromatic
#08051A #100A35 #1F1369 #2E1C9D #3E26D1

Accessibility & contrast

On white

15.49
#1F1369 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#1F1369 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1369
15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F1369#FFFFFF#000000##FFFFFF
##1F13691.0015.491.3615.49
#FFFFFF15.491.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00276B
Deuteranopia (green-blind)
#002167
Tritanopia (blue-blind)
#002D3E
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #1f1369;
/* rgb */ color: rgb(31, 19, 105);
/* oklch */ color: oklch(27.6% 0.139 278.4);
Tailwind
colors: {
  custom: {
    50: '#675395',
    500: '#1f1369',
    950: '#000000',
  },
}
SCSS
$custom: #1f1369;
$custom-light: #675395;
$custom-dark: #000000;
JSON
{
  "hex": "#1f1369",
  "rgb": {
    "r": 31,
    "g": 19,
    "b": 105
  },
  "hsl": {
    "h": 248.372,
    "s": 69.355,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27571,
    "c": 0.13902,
    "h": 278.4
  },
  "luminance": 0.01777
}

Semantic roles & 50–950 ramp

primary
#1F1369
secondary
#92A038
accent
#EC3CD4
background
#F6F4F9
surface
#EBE7F2
border
#C6C3CC
text
#07020D
muted
#7A787E

Preview Lab

Preview with #1F1369

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

Preview Lab → · Contrast checker → · Palette generator →

#1F1369 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva