#1D1785#1D1785

#1D1785 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.171 H 272.7°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D1785
RGB	rgb(29, 23, 133)
HSL	hsl(243, 71%, 31%)
HSV	hsv(243, 83%, 52%)
CMYK	cmyk(78.2%, 82.7%, 0%, 47.8%)
CIE-LAB	lab(18.22, 40.42, -59.10)
CIE-LCH	lch(18.22, 71.60, 304.37°)
OKLab	oklab(31.27% 0.0081 -0.171)
OKLCH	oklch(31.27% 0.171 272.7)
XYZ	xyz(5.0453, 2.5669, 22.4153)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1785 #7F8517

analogous

#174885 #1D1785 #541785

triadic

#1D1785 #851D17 #17851D

tetradic

#1D1785 #851748 #7F8517 #178554

square

#1D1785 #851748 #7F8517 #178554

split-complementary

#1D1785 #855417 #488517

monochromatic

#06051D #120E51 #1D1785 #2820B9 #423ADD

Accessibility & contrast

On white

13.88

#1D1785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1D1785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1785

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1785	#FFFFFF	#000000	##FFFFFF
##1D1785	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002783

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d1785;
/* rgb */ color: rgb(29, 23, 133);
/* oklch */ color: oklch(31.3% 0.171 272.7);

Tailwind

colors: {
  custom: {
    50: '#6d57aa',
    500: '#1d1785',
    950: '#000000',
  },
}

SCSS

$custom: #1d1785;
$custom-light: #6d57aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1785",
  "rgb": {
    "r": 29,
    "g": 23,
    "b": 133
  },
  "hsl": {
    "h": 243.273,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31271,
    "c": 0.17118,
    "h": 272.7
  },
  "luminance": 0.02567
}

Semantic roles & 50–950 ramp

primary

#1D1785

secondary

#B2B93F

accent

#ED3BE4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1785

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

Preview Lab → · Contrast checker → · Palette generator →