#1D1573#1D1573

#1D1573 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.9% C 0.150 H 275.2°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D1573
RGB	rgb(29, 21, 115)
HSL	hsl(245, 69%, 27%)
HSV	hsv(245, 82%, 45%)
CMYK	cmyk(74.8%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(15.67, 35.48, -51.82)
CIE-LCH	lch(15.67, 62.80, 304.40°)
OKLab	oklab(28.86% 0.0136 -0.1498)
OKLCH	oklch(28.86% 0.15 275.2)
XYZ	xyz(3.8684, 2.0350, 16.4053)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1573 #6B7315

analogous

#153C73 #1D1573 #4C1573

triadic

#1D1573 #731D15 #15731D

tetradic

#1D1573 #73153C #6B7315 #15734C

square

#1D1573 #73153C #6B7315 #15734C

split-complementary

#1D1573 #734C15 #3C7315

monochromatic

#07051A #100C3F #1D1573 #2A1EA7 #392AD8

Accessibility & contrast

On white

14.93

#1D1573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1D1573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1573

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1573	#FFFFFF	#000000	##FFFFFF
##1D1573	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B76

Deuteranopia (green-blind)

#002371

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1d1573;
/* rgb */ color: rgb(29, 21, 115);
/* oklch */ color: oklch(28.9% 0.150 275.2);

Tailwind

colors: {
  custom: {
    50: '#69559c',
    500: '#1d1573',
    950: '#000000',
  },
}

SCSS

$custom: #1d1573;
$custom-light: #69559c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1573",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 245.106,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28857,
    "c": 0.15046,
    "h": 275.2
  },
  "luminance": 0.02035
}

Semantic roles & 50–950 ramp

primary

#1D1573

secondary

#A0A93B

accent

#EC3CDD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1573

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

Preview Lab → · Contrast checker → · Palette generator →