#1D1C9D#1D1C9D

#1D1C9D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.196 H 270.3°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D1C9D
RGB	rgb(29, 28, 157)
HSL	hsl(240, 70%, 36%)
HSV	hsv(240, 82%, 62%)
CMYK	cmyk(81.5%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(22.04, 45.70, -67.67)
CIE-LCH	lch(22.04, 81.66, 304.03°)
OKLab	oklab(34.78% 0.0012 -0.1959)
OKLCH	oklch(34.78% 0.196 270.3)
XYZ	xyz(7.0057, 3.5252, 32.2030)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1C9D #9C9D1C

analogous

#1C5C9D #1D1C9D #5E1C9D

triadic

#1D1C9D #9D1D1C #1C9D1D

tetradic

#1D1C9D #9D1C5C #9C9D1C #1C9D5E

square

#1D1C9D #9D1C5C #9C9D1C #1C9D5E

split-complementary

#1D1C9D #9D5E1C #5C9D1C

monochromatic

#0A0935 #131369 #1D1C9D #2725D1 #5453E0

Accessibility & contrast

On white

12.32

#1D1C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D1C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1C9D

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1C9D	#FFFFFF	#000000	##FFFFFF
##1D1C9D	1.00	12.32	1.71	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA1

Deuteranopia (green-blind)

#002E9B

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d1c9d;
/* rgb */ color: rgb(29, 28, 157);
/* oklch */ color: oklch(34.8% 0.196 270.3);

Tailwind

colors: {
  custom: {
    50: '#735cbb',
    500: '#1d1c9d',
    950: '#000000',
  },
}

SCSS

$custom: #1d1c9d;
$custom-light: #735cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1c9d",
  "rgb": {
    "r": 29,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 240.465,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34777,
    "c": 0.19593,
    "h": 270.3
  },
  "luminance": 0.03526
}

Semantic roles & 50–950 ramp

primary

#1D1C9D

secondary

#C2C351

accent

#ED3BEB

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D1C9D

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

Preview Lab → · Contrast checker → · Palette generator →