#1F1884#1F1884

#1F1884 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.169 H 273.6°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#1F1884
RGB	rgb(31, 24, 132)
HSL	hsl(244, 69%, 31%)
HSV	hsv(244, 82%, 52%)
CMYK	cmyk(76.5%, 81.8%, 0%, 48.2%)
CIE-LAB	lab(18.41, 39.72, -58.14)
CIE-LCH	lch(18.41, 70.42, 304.34°)
OKLab	oklab(31.4% 0.0107 -0.1682)
OKLCH	oklch(31.4% 0.169 273.6)
XYZ	xyz(5.0552, 2.6100, 22.0627)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1884 #7D8418

analogous

#184784 #1F1884 #551884

triadic

#1F1884 #841F18 #18841F

tetradic

#1F1884 #841847 #7D8418 #188455

square

#1F1884 #841847 #7D8418 #188455

split-complementary

#1F1884 #845518 #478418

monochromatic

#07051C #130F50 #1F1884 #2B21B8 #453BDB

Accessibility & contrast

On white

13.80

#1F1884 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1F1884 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1884

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1884	#FFFFFF	#000000	##FFFFFF
##1F1884	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002882

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1884;
/* rgb */ color: rgb(31, 24, 132);
/* oklch */ color: oklch(31.4% 0.169 273.6);

Tailwind

colors: {
  custom: {
    50: '#6d58a9',
    500: '#1f1884',
    950: '#000000',
  },
}

SCSS

$custom: #1f1884;
$custom-light: #6d58a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1884",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 132
  },
  "hsl": {
    "h": 243.889,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31404,
    "c": 0.16855,
    "h": 273.6
  },
  "luminance": 0.02611
}

Semantic roles & 50–950 ramp

primary

#1F1884

secondary

#B0B840

accent

#EC3CE1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1884

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

Preview Lab → · Contrast checker → · Palette generator →