#1D1966#1D1966

#1D1966 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.129 H 276.3°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D1966
RGB	rgb(29, 25, 102)
HSL	hsl(243, 61%, 25%)
HSV	hsv(243, 75%, 40%)
CMYK	cmyk(71.6%, 75.5%, 0%, 60%)
CIE-LAB	lab(15.04, 28.54, -44.38)
CIE-LCH	lch(15.04, 52.76, 302.74°)
OKLab	oklab(27.97% 0.0143 -0.1282)
OKLCH	oklch(27.97% 0.129 276.3)
XYZ	xyz(3.2518, 1.9155, 12.7662)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1966 #626619

analogous

#193B66 #1D1966 #441966

triadic

#1D1966 #661D19 #19661D

tetradic

#1D1966 #66193B #626619 #196644

square

#1D1966 #66193B #626619 #196644

split-complementary

#1D1966 #664419 #3B6619

monochromatic

#070619 #0F0D35 #1D1966 #2B2597 #3931C8

Accessibility & contrast

On white

15.18

#1D1966 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1966 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1966

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1966	#FFFFFF	#000000	##FFFFFF
##1D1966	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002968

Deuteranopia (green-blind)

#002265

Tritanopia (blue-blind)

#002E3D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d1966;
/* rgb */ color: rgb(29, 25, 102);
/* oklch */ color: oklch(28.0% 0.129 276.3);

Tailwind

colors: {
  custom: {
    50: '#655693',
    500: '#1d1966',
    950: '#000000',
  },
}

SCSS

$custom: #1d1966;
$custom-light: #655693;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1966",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 102
  },
  "hsl": {
    "h": 243.117,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27971,
    "c": 0.12898,
    "h": 276.3
  },
  "luminance": 0.01916
}

Semantic roles & 50–950 ramp

primary

#1D1966

secondary

#979C3F

accent

#E444DB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1D1966

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

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