#1D1371#1D1371

#1D1371 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.150 H 275.8°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D1371
RGB	rgb(29, 19, 113)
HSL	hsl(246, 71%, 26%)
HSV	hsv(246, 83%, 44%)
CMYK	cmyk(74.3%, 83.2%, 0%, 55.7%)
CIE-LAB	lab(15.06, 35.89, -51.54)
CIE-LCH	lch(15.06, 62.80, 304.85°)
OKLab	oklab(28.36% 0.0151 -0.149)
OKLCH	oklch(28.36% 0.15 275.8)
XYZ	xyz(3.7192, 1.9189, 15.7940)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1371 #677113

analogous

#133871 #1D1371 #4C1371

triadic

#1D1371 #711D13 #13711D

tetradic

#1D1371 #711338 #677113 #13714C

square

#1D1371 #711338 #677113 #13714C

split-complementary

#1D1371 #714C13 #387113

monochromatic

#07041A #100A3D #1D1371 #2A1CA5 #3825DA

Accessibility & contrast

On white

15.18

#1D1371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1371

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1371	#FFFFFF	#000000	##FFFFFF
##1D1371	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A74

Deuteranopia (green-blind)

#00226F

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d1371;
/* rgb */ color: rgb(29, 19, 113);
/* oklch */ color: oklch(28.4% 0.150 275.8);

Tailwind

colors: {
  custom: {
    50: '#68539b',
    500: '#1d1371',
    950: '#000000',
  },
}

SCSS

$custom: #1d1371;
$custom-light: #68539b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1371",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 113
  },
  "hsl": {
    "h": 246.383,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28358,
    "c": 0.14976,
    "h": 275.8
  },
  "luminance": 0.01919
}

Semantic roles & 50–950 ramp

primary

#1D1371

secondary

#9CA838

accent

#EE3ADB

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1371

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

Preview Lab → · Contrast checker → · Palette generator →