#1D1765#1D1765

#1D1765 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.5% C 0.130 H 277.0°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D1765
RGB	rgb(29, 23, 101)
HSL	hsl(245, 63%, 24%)
HSV	hsv(245, 77%, 40%)
CMYK	cmyk(71.3%, 77.2%, 0%, 60.4%)
CIE-LAB	lab(14.48, 29.44, -44.64)
CIE-LCH	lch(14.48, 53.47, 303.40°)
OKLab	oklab(27.54% 0.0159 -0.129)
OKLCH	oklch(27.54% 0.13 277)
XYZ	xyz(3.1613, 1.8133, 12.4928)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1765 #5F6517

analogous

#173865 #1D1765 #441765

triadic

#1D1765 #651D17 #17651D

tetradic

#1D1765 #651738 #5F6517 #176544

square

#1D1765 #651738 #5F6517 #176544

split-complementary

#1D1765 #654417 #386517

monochromatic

#070619 #0F0C33 #1D1765 #2B2297 #3A2EC9

Accessibility & contrast

On white

15.41

#1D1765 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1D1765 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1765

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1765	#FFFFFF	#000000	##FFFFFF
##1D1765	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002867

Deuteranopia (green-blind)

#002164

Tritanopia (blue-blind)

#002D3C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1765;
/* rgb */ color: rgb(29, 23, 101);
/* oklch */ color: oklch(27.5% 0.130 277.0);

Tailwind

colors: {
  custom: {
    50: '#655592',
    500: '#1d1765',
    950: '#000000',
  },
}

SCSS

$custom: #1d1765;
$custom-light: #655592;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1765",
  "rgb": {
    "r": 29,
    "g": 23,
    "b": 101
  },
  "hsl": {
    "h": 244.615,
    "s": 62.903,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27538,
    "c": 0.12993,
    "h": 277
  },
  "luminance": 0.01814
}

Semantic roles & 50–950 ramp

primary

#1D1765

secondary

#949B3C

accent

#E642D9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1D1765

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

Preview Lab → · Contrast checker → · Palette generator →