#1D1F84#1D1F84

#1D1F84 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.162 H 271.8°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D1F84
RGB	rgb(29, 31, 132)
HSL	hsl(239, 64%, 32%)
HSV	hsv(239, 78%, 52%)
CMYK	cmyk(78%, 76.5%, 0%, 48.2%)
CIE-LAB	lab(19.67, 35.59, -56.07)
CIE-LCH	lch(19.67, 66.41, 302.41°)
OKLab	oklab(32.25% 0.0052 -0.1623)
OKLCH	oklch(32.25% 0.162 271.8)
XYZ	xyz(5.1601, 2.9066, 22.1144)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1F84 #84821D

analogous

#1D5384 #1D1F84 #4F1D84

triadic

#1D1F84 #841D1F #1F841D

tetradic

#1D1F84 #841D53 #84821D #1D844F

square

#1D1F84 #841D53 #84821D #1D844F

split-complementary

#1D1F84 #844F1D #53841D

monochromatic

#070720 #121352 #1D1F84 #282BB6 #4548D6

Accessibility & contrast

On white

13.28

#1D1F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D1F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1F84

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1F84	#FFFFFF	#000000	##FFFFFF
##1D1F84	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003587

Deuteranopia (green-blind)

#002A82

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d1f84;
/* rgb */ color: rgb(29, 31, 132);
/* oklch */ color: oklch(32.3% 0.162 271.8);

Tailwind

colors: {
  custom: {
    50: '#6c5ca9',
    500: '#1d1f84',
    950: '#000000',
  },
}

SCSS

$custom: #1d1f84;
$custom-light: #6c5ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1f84",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 132
  },
  "hsl": {
    "h": 238.835,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32254,
    "c": 0.16239,
    "h": 271.8
  },
  "luminance": 0.02907
}

Semantic roles & 50–950 ramp

primary

#1D1F84

secondary

#B7B546

accent

#E441E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1F84

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

Preview Lab → · Contrast checker → · Palette generator →