#1D1F86#1D1F86

#1D1F86 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.165 H 271.7°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D1F86
RGB	rgb(29, 31, 134)
HSL	hsl(239, 64%, 32%)
HSV	hsv(239, 78%, 53%)
CMYK	cmyk(78.4%, 76.9%, 0%, 47.5%)
CIE-LAB	lab(19.89, 36.30, -56.96)
CIE-LCH	lch(19.89, 67.54, 302.51°)
OKLab	oklab(32.48% 0.0049 -0.1649)
OKLCH	oklch(32.48% 0.165 271.7)
XYZ	xyz(5.2983, 2.9618, 22.8421)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1F86 #86841D

analogous

#1D5486 #1D1F86 #501D86

triadic

#1D1F86 #861D1F #1F861D

tetradic

#1D1F86 #861D54 #86841D #1D8650

square

#1D1F86 #861D54 #86841D #1D8650

split-complementary

#1D1F86 #86501D #54861D

monochromatic

#070821 #121354 #1D1F86 #282BB8 #4649D7

Accessibility & contrast

On white

13.19

#1D1F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D1F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1F86

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1F86	#FFFFFF	#000000	##FFFFFF
##1D1F86	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003589

Deuteranopia (green-blind)

#002B84

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d1f86;
/* rgb */ color: rgb(29, 31, 134);
/* oklch */ color: oklch(32.5% 0.165 271.7);

Tailwind

colors: {
  custom: {
    50: '#6d5caa',
    500: '#1d1f86',
    950: '#000000',
  },
}

SCSS

$custom: #1d1f86;
$custom-light: #6d5caa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1f86",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 134
  },
  "hsl": {
    "h": 238.857,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3248,
    "c": 0.16496,
    "h": 271.7
  },
  "luminance": 0.02962
}

Semantic roles & 50–950 ramp

primary

#1D1F86

secondary

#B9B746

accent

#E440E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1F86

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

Preview Lab → · Contrast checker → · Palette generator →