#1D1C8D#1D1C8D

#1D1C8D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.177 H 271.5°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D1C8D
RGB	rgb(29, 28, 141)
HSL	hsl(241, 67%, 33%)
HSV	hsv(241, 80%, 55%)
CMYK	cmyk(79.4%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(20.10, 40.42, -60.99)
CIE-LCH	lch(20.10, 73.17, 303.53°)
OKLab	oklab(32.87% 0.0046 -0.1766)
OKLCH	oklch(32.87% 0.177 271.5)
XYZ	xyz(5.7280, 3.0142, 25.4740)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1C8D #8C8D1C

analogous

#1C538D #1D1C8D #551C8D

triadic

#1D1C8D #8D1D1C #1C8D1D

tetradic

#1D1C8D #8D1C53 #8C8D1C #1C8D55

square

#1D1C8D #8D1C53 #8C8D1C #1C8D55

split-complementary

#1D1C8D #8D551C #538D1C

monochromatic

#080827 #12125A #1D1C8D #2826C0 #4A49DB

Accessibility & contrast

On white

13.10

#1D1C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D1C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1C8D

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1C8D	#FFFFFF	#000000	##FFFFFF
##1D1C8D	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002B8B

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d1c8d;
/* rgb */ color: rgb(29, 28, 141);
/* oklch */ color: oklch(32.9% 0.177 271.5);

Tailwind

colors: {
  custom: {
    50: '#6f5bb0',
    500: '#1d1c8d',
    950: '#000000',
  },
}

SCSS

$custom: #1d1c8d;
$custom-light: #6f5bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1c8d",
  "rgb": {
    "r": 29,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 240.531,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.32866,
    "c": 0.17664,
    "h": 271.5
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#1D1C8D

secondary

#BCBD48

accent

#EA3EE8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D1C8D

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

Preview Lab → · Contrast checker → · Palette generator →