#1D1C7D#1D1C7D

#1D1C7D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.156 H 272.9°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D1C7D
RGB	rgb(29, 28, 125)
HSL	hsl(241, 63%, 30%)
HSV	hsv(241, 78%, 49%)
CMYK	cmyk(76.8%, 77.6%, 0%, 51%)
CIE-LAB	lab(18.24, 34.92, -53.99)
CIE-LCH	lch(18.24, 64.30, 302.89°)
OKLab	oklab(31.01% 0.008 -0.1562)
OKLCH	oklch(31.01% 0.156 272.9)
XYZ	xyz(4.6224, 2.5719, 19.6509)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1C7D #7C7D1C

analogous

#1C4B7D #1D1C7D #4E1C7D

triadic

#1D1C7D #7D1D1C #1C7D1D

tetradic

#1D1C7D #7D1C4B #7C7D1C #1C7D4E

square

#1D1C7D #7D1C4B #7C7D1C #1C7D4E

split-complementary

#1D1C7D #7D4E1C #4B7D1C

monochromatic

#060619 #11114B #1D1C7D #2927AF #413FD4

Accessibility & contrast

On white

13.87

#1D1C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1D1C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1C7D

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1C7D	#FFFFFF	#000000	##FFFFFF
##1D1C7D	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003180

Deuteranopia (green-blind)

#00287B

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d1c7d;
/* rgb */ color: rgb(29, 28, 125);
/* oklch */ color: oklch(31.0% 0.156 272.9);

Tailwind

colors: {
  custom: {
    50: '#6a5aa4',
    500: '#1d1c7d',
    950: '#000000',
  },
}

SCSS

$custom: #1d1c7d;
$custom-light: #6a5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1c7d",
  "rgb": {
    "r": 29,
    "g": 28,
    "b": 125
  },
  "hsl": {
    "h": 240.619,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.3101,
    "c": 0.15643,
    "h": 272.9
  },
  "luminance": 0.02572
}

Semantic roles & 50–950 ramp

primary

#1D1C7D

secondary

#B0B144

accent

#E641E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1D1C7D

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

Preview Lab → · Contrast checker → · Palette generator →