#1D1569#1D1569

#1D1569 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.137 H 276.8°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D1569
RGB	rgb(29, 21, 105)
HSL	hsl(246, 67%, 25%)
HSV	hsv(246, 80%, 41%)
CMYK	cmyk(72.4%, 80%, 0%, 58.8%)
CIE-LAB	lab(14.50, 32.05, -47.24)
CIE-LCH	lch(14.50, 57.09, 304.16°)
OKLab	oklab(27.69% 0.0162 -0.1365)
OKLCH	oklch(27.69% 0.137 276.8)
XYZ	xyz(3.3238, 1.8172, 13.5374)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1569 #616915

analogous

#153769 #1D1569 #471569

triadic

#1D1569 #691D15 #15691D

tetradic

#1D1569 #691537 #616915 #156947

square

#1D1569 #691537 #616915 #156947

split-complementary

#1D1569 #694715 #376915

monochromatic

#07051A #0F0B36 #1D1569 #2B1F9C #3929CF

Accessibility & contrast

On white

15.40

#1D1569 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1D1569 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1569

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1569	#FFFFFF	#000000	##FFFFFF
##1D1569	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286B

Deuteranopia (green-blind)

#002168

Tritanopia (blue-blind)

#002E3E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1569;
/* rgb */ color: rgb(29, 21, 105);
/* oklch */ color: oklch(27.7% 0.137 276.8);

Tailwind

colors: {
  custom: {
    50: '#665495',
    500: '#1d1569',
    950: '#000000',
  },
}

SCSS

$custom: #1d1569;
$custom-light: #665495;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1569",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 105
  },
  "hsl": {
    "h": 245.714,
    "s": 66.667,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27688,
    "c": 0.13748,
    "h": 276.8
  },
  "luminance": 0.01817
}

Semantic roles & 50–950 ramp

primary

#1D1569

secondary

#96A03A

accent

#EA3ED9

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1D1569

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

Preview Lab → · Contrast checker → · Palette generator →