#1D1964#1D1964

#1D1964 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.126 H 276.7°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D1964
RGB	rgb(29, 25, 100)
HSL	hsl(243, 60%, 25%)
HSV	hsv(243, 75%, 39%)
CMYK	cmyk(71%, 75%, 0%, 60.8%)
CIE-LAB	lab(14.82, 27.81, -43.41)
CIE-LCH	lch(14.82, 51.55, 302.64°)
OKLab	oklab(27.75% 0.0146 -0.1254)
OKLCH	oklch(27.75% 0.126 276.7)
XYZ	xyz(3.1538, 1.8763, 12.2501)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1964 #606419

analogous

#193B64 #1D1964 #431964

triadic

#1D1964 #641D19 #19641D

tetradic

#1D1964 #64193B #606419 #196443

square

#1D1964 #64193B #606419 #196443

split-complementary

#1D1964 #644319 #3B6419

monochromatic

#070618 #0F0D33 #1D1964 #2B2595 #3931C6

Accessibility & contrast

On white

15.27

#1D1964 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1964 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1964

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1964	#FFFFFF	#000000	##FFFFFF
##1D1964	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002966

Deuteranopia (green-blind)

#002263

Tritanopia (blue-blind)

#002E3C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1964;
/* rgb */ color: rgb(29, 25, 100);
/* oklch */ color: oklch(27.8% 0.126 276.7);

Tailwind

colors: {
  custom: {
    50: '#645691',
    500: '#1d1964',
    950: '#000000',
  },
}

SCSS

$custom: #1d1964;
$custom-light: #645691;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1964",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 100
  },
  "hsl": {
    "h": 243.2,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27754,
    "c": 0.12621,
    "h": 276.7
  },
  "luminance": 0.01877
}

Semantic roles & 50–950 ramp

primary

#1D1964

secondary

#959A3F

accent

#E345DB

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1D1964

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

Preview Lab → · Contrast checker → · Palette generator →