#1D1B86#1D1B86

#1D1B86 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.169 H 272.2°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D1B86
RGB	rgb(29, 27, 134)
HSL	hsl(241, 66%, 32%)
HSV	hsv(241, 80%, 53%)
CMYK	cmyk(78.4%, 79.9%, 0%, 47.5%)
CIE-LAB	lab(19.08, 38.61, -58.30)
CIE-LCH	lch(19.08, 69.92, 303.52°)
OKLab	oklab(31.91% 0.0065 -0.1687)
OKLCH	oklch(31.91% 0.169 272.2)
XYZ	xyz(5.2003, 2.7657, 22.8094)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1B86 #84861B

analogous

#1B4F86 #1D1B86 #531B86

triadic

#1D1B86 #861D1B #1B861D

tetradic

#1D1B86 #861B4F #84861B #1B8653

square

#1D1B86 #861B4F #84861B #1B8653

split-complementary

#1D1B86 #86531B #4F861B

monochromatic

#070620 #121153 #1D1B86 #2825B9 #4542D9

Accessibility & contrast

On white

13.52

#1D1B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D1B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1B86

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1B86	#FFFFFF	#000000	##FFFFFF
##1D1B86	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003389

Deuteranopia (green-blind)

#002984

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d1b86;
/* rgb */ color: rgb(29, 27, 134);
/* oklch */ color: oklch(31.9% 0.169 272.2);

Tailwind

colors: {
  custom: {
    50: '#6d5aaa',
    500: '#1d1b86',
    950: '#000000',
  },
}

SCSS

$custom: #1d1b86;
$custom-light: #6d5aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1b86",
  "rgb": {
    "r": 29,
    "g": 27,
    "b": 134
  },
  "hsl": {
    "h": 241.121,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31908,
    "c": 0.16886,
    "h": 272.2
  },
  "luminance": 0.02766
}

Semantic roles & 50–950 ramp

primary

#1D1B86

secondary

#B7B944

accent

#E93EE6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1B86

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

Preview Lab → · Contrast checker → · Palette generator →