#1F1582#1F1582

#1F1582 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.8% C 0.169 H 274.2°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F1582
RGB	rgb(31, 21, 130)
HSL	hsl(246, 72%, 30%)
HSV	hsv(246, 84%, 51%)
CMYK	cmyk(76.2%, 83.8%, 0%, 49%)
CIE-LAB	lab(17.64, 40.60, -58.16)
CIE-LCH	lch(17.64, 70.92, 304.92°)
OKLab	oklab(30.8% 0.0123 -0.1682)
OKLCH	oklch(30.8% 0.169 274.2)
XYZ	xyz(4.8612, 2.4388, 21.3293)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1582 #788215

analogous

#154182 #1F1582 #561582

triadic

#1F1582 #821F15 #15821F

tetradic

#1F1582 #821541 #788215 #158256

square

#1F1582 #821541 #788215 #158256

split-complementary

#1F1582 #825615 #418215

monochromatic

#06041A #120C4D #1F1582 #2C1EB7 #4333DE

Accessibility & contrast

On white

14.11

#1F1582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1F1582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1582

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1582	#FFFFFF	#000000	##FFFFFF
##1F1582	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003085

Deuteranopia (green-blind)

#002680

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1f1582;
/* rgb */ color: rgb(31, 21, 130);
/* oklch */ color: oklch(30.8% 0.169 274.2);

Tailwind

colors: {
  custom: {
    50: '#6d56a8',
    500: '#1f1582',
    950: '#000000',
  },
}

SCSS

$custom: #1f1582;
$custom-light: #6d56a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1582",
  "rgb": {
    "r": 31,
    "g": 21,
    "b": 130
  },
  "hsl": {
    "h": 245.505,
    "s": 72.185,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30798,
    "c": 0.16864,
    "h": 274.2
  },
  "luminance": 0.02439
}

Semantic roles & 50–950 ramp

primary

#1F1582

secondary

#ABB73C

accent

#EF39DE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1582

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

Preview Lab → · Contrast checker → · Palette generator →