#1D1963#1D1963

#1D1963 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.6% C 0.125 H 276.8°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D1963
RGB	rgb(29, 25, 99)
HSL	hsl(243, 60%, 24%)
HSV	hsv(243, 75%, 39%)
CMYK	cmyk(70.7%, 74.7%, 0%, 61.2%)
CIE-LAB	lab(14.72, 27.44, -42.92)
CIE-LCH	lch(14.72, 50.94, 302.59°)
OKLab	oklab(27.65% 0.0148 -0.1239)
OKLCH	oklch(27.65% 0.125 276.8)
XYZ	xyz(3.1057, 1.8571, 11.9967)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1963 #5F6319

analogous

#193A63 #1D1963 #421963

triadic

#1D1963 #631D19 #19631D

tetradic

#1D1963 #63193A #5F6319 #196342

square

#1D1963 #63193A #5F6319 #196342

split-complementary

#1D1963 #634219 #3A6319

monochromatic

#070618 #0F0D32 #1D1963 #2B2594 #3A32C5

Accessibility & contrast

On white

15.31

#1D1963 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1D1963 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1963

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1963	#FFFFFF	#000000	##FFFFFF
##1D1963	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002865

Deuteranopia (green-blind)

#002262

Tritanopia (blue-blind)

#002D3C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1963;
/* rgb */ color: rgb(29, 25, 99);
/* oklch */ color: oklch(27.6% 0.125 276.8);

Tailwind

colors: {
  custom: {
    50: '#645690',
    500: '#1d1963',
    950: '#000000',
  },
}

SCSS

$custom: #1d1963;
$custom-light: #645690;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1963",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 99
  },
  "hsl": {
    "h": 243.243,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27647,
    "c": 0.12482,
    "h": 276.8
  },
  "luminance": 0.01857
}

Semantic roles & 50–950 ramp

primary

#1D1963

secondary

#94993F

accent

#E345DA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #1D1963

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

Preview Lab → · Contrast checker → · Palette generator →