#1D1580#1D1580

#1D1580 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.167 H 273.5°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D1580
RGB	rgb(29, 21, 128)
HSL	hsl(244, 72%, 29%)
HSV	hsv(244, 84%, 50%)
CMYK	cmyk(77.3%, 83.6%, 0%, 49.8%)
CIE-LAB	lab(17.25, 39.80, -57.53)
CIE-LCH	lch(17.25, 69.96, 304.67°)
OKLab	oklab(30.42% 0.0101 -0.1664)
OKLCH	oklch(30.42% 0.167 273.5)
XYZ	xyz(4.6698, 2.3556, 20.6264)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1580 #788015

analogous

#154380 #1D1580 #531580

triadic

#1D1580 #801D15 #15801D

tetradic

#1D1580 #801543 #788015 #158053

square

#1D1580 #801543 #788015 #158053

split-complementary

#1D1580 #805315 #438015

monochromatic

#06041A #110C4B #1D1580 #291EB5 #3F32DD

Accessibility & contrast

On white

14.27

#1D1580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1D1580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1580

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1580	#FFFFFF	#000000	##FFFFFF
##1D1580	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F83

Deuteranopia (green-blind)

#00257E

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1d1580;
/* rgb */ color: rgb(29, 21, 128);
/* oklch */ color: oklch(30.4% 0.167 273.5);

Tailwind

colors: {
  custom: {
    50: '#6c56a6',
    500: '#1d1580',
    950: '#000000',
  },
}

SCSS

$custom: #1d1580;
$custom-light: #6c56a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1580",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 128
  },
  "hsl": {
    "h": 244.486,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30421,
    "c": 0.16673,
    "h": 273.5
  },
  "luminance": 0.02356
}

Semantic roles & 50–950 ramp

primary

#1D1580

secondary

#ACB53C

accent

#EF39E1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D1580

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

Preview Lab → · Contrast checker → · Palette generator →