#1D1366#1D1366

#1D1366 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.136 H 277.7°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D1366
RGB	rgb(29, 19, 102)
HSL	hsl(247, 69%, 24%)
HSV	hsv(247, 81%, 40%)
CMYK	cmyk(71.6%, 81.4%, 0%, 60%)
CIE-LAB	lab(13.74, 32.18, -46.51)
CIE-LCH	lch(13.74, 56.55, 304.68°)
OKLab	oklab(27.06% 0.0181 -0.1344)
OKLCH	oklch(27.06% 0.136 277.7)
XYZ	xyz(3.1371, 1.6860, 12.7279)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1366 #5C6613

analogous

#133266 #1D1366 #461366

triadic

#1D1366 #661D13 #13661D

tetradic

#1D1366 #661332 #5C6613 #136646

square

#1D1366 #661332 #5C6613 #136646

split-complementary

#1D1366 #664613 #326613

monochromatic

#07051A #0E0932 #1D1366 #2C1D9A #3A26CD

Accessibility & contrast

On white

15.70

#1D1366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1D1366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1366

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1366	#FFFFFF	#000000	##FFFFFF
##1D1366	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002668

Deuteranopia (green-blind)

#002065

Tritanopia (blue-blind)

#002C3C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1d1366;
/* rgb */ color: rgb(29, 19, 102);
/* oklch */ color: oklch(27.1% 0.136 277.7);

Tailwind

colors: {
  custom: {
    50: '#655393',
    500: '#1d1366',
    950: '#000000',
  },
}

SCSS

$custom: #1d1366;
$custom-light: #655393;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1366",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 102
  },
  "hsl": {
    "h": 247.229,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27056,
    "c": 0.13558,
    "h": 277.7
  },
  "luminance": 0.01686
}

Semantic roles & 50–950 ramp

primary

#1D1366

secondary

#919D37

accent

#EB3CD6

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1D1366

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

Preview Lab → · Contrast checker → · Palette generator →