#1D1563#1D1563

#1D1563 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.129 H 277.8°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D1563
RGB	rgb(29, 21, 99)
HSL	hsl(246, 65%, 24%)
HSV	hsv(246, 79%, 39%)
CMYK	cmyk(70.7%, 78.8%, 0%, 61.2%)
CIE-LAB	lab(13.82, 29.96, -44.40)
CIE-LCH	lch(13.82, 53.57, 304.01°)
OKLab	oklab(27% 0.0177 -0.1282)
OKLCH	oklch(27% 0.129 277.8)
XYZ	xyz(3.0263, 1.6981, 11.9703)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1563 #5B6315

analogous

#153463 #1D1563 #441563

triadic

#1D1563 #631D15 #15631D

tetradic

#1D1563 #631534 #5B6315 #156344

square

#1D1563 #631534 #5B6315 #156344

split-complementary

#1D1563 #634415 #346315

monochromatic

#070519 #0E0A31 #1D1563 #2C2095 #3B2AC8

Accessibility & contrast

On white

15.68

#1D1563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1D1563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1563

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1563	#FFFFFF	#000000	##FFFFFF
##1D1563	1.00	15.68	1.34	15.68
#FFFFFF	15.68	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002665

Deuteranopia (green-blind)

#002062

Tritanopia (blue-blind)

#002B3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1d1563;
/* rgb */ color: rgb(29, 21, 99);
/* oklch */ color: oklch(27.0% 0.129 277.8);

Tailwind

colors: {
  custom: {
    50: '#645490',
    500: '#1d1563',
    950: '#000000',
  },
}

SCSS

$custom: #1d1563;
$custom-light: #645490;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1563",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 99
  },
  "hsl": {
    "h": 246.154,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27004,
    "c": 0.12946,
    "h": 277.8
  },
  "luminance": 0.01698
}

Semantic roles & 50–950 ramp

primary

#1D1563

secondary

#909A3A

accent

#E840D7

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #1D1563

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

Preview Lab → · Contrast checker → · Palette generator →