#1F1885#1F1885

#1F1885 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.170 H 273.5°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#1F1885
RGB	rgb(31, 24, 133)
HSL	hsl(244, 69%, 31%)
HSV	hsv(244, 82%, 52%)
CMYK	cmyk(76.7%, 82%, 0%, 47.8%)
CIE-LAB	lab(18.53, 40.05, -58.58)
CIE-LCH	lch(18.53, 70.96, 304.36°)
OKLab	oklab(31.52% 0.0104 -0.1695)
OKLCH	oklch(31.52% 0.17 273.5)
XYZ	xyz(5.1239, 2.6375, 22.4248)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1885 #7E8518

analogous

#184785 #1F1885 #551885

triadic

#1F1885 #851F18 #18851F

tetradic

#1F1885 #851847 #7E8518 #188555

square

#1F1885 #851847 #7E8518 #188555

split-complementary

#1F1885 #855518 #478518

monochromatic

#07051D #130F51 #1F1885 #2B21B9 #463CDC

Accessibility & contrast

On white

13.75

#1F1885 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1F1885 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1885

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1885	#FFFFFF	#000000	##FFFFFF
##1F1885	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002883

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1885;
/* rgb */ color: rgb(31, 24, 133);
/* oklch */ color: oklch(31.5% 0.170 273.5);

Tailwind

colors: {
  custom: {
    50: '#6e58aa',
    500: '#1f1885',
    950: '#000000',
  },
}

SCSS

$custom: #1f1885;
$custom-light: #6e58aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1885",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 133
  },
  "hsl": {
    "h": 243.853,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31523,
    "c": 0.16978,
    "h": 273.5
  },
  "luminance": 0.02638
}

Semantic roles & 50–950 ramp

primary

#1F1885

secondary

#B1B940

accent

#EC3CE1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1885

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

Preview Lab → · Contrast checker → · Palette generator →