#1D1887#1D1887

#1D1887 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.173 H 272.4°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D1887
RGB	rgb(29, 24, 135)
HSL	hsl(243, 70%, 31%)
HSV	hsv(243, 82%, 53%)
CMYK	cmyk(78.5%, 82.2%, 0%, 47.1%)
CIE-LAB	lab(18.64, 40.56, -59.65)
CIE-LCH	lch(18.64, 72.14, 304.21°)
OKLab	oklab(31.64% 0.0073 -0.1726)
OKLCH	oklch(31.64% 0.173 272.4)
XYZ	xyz(5.2050, 2.6632, 23.1567)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1887 #828718

analogous

#184A87 #1D1887 #541887

triadic

#1D1887 #871D18 #18871D

tetradic

#1D1887 #87184A #828718 #188754

square

#1D1887 #87184A #828718 #188754

split-complementary

#1D1887 #875418 #4A8718

monochromatic

#07061F #120F53 #1D1887 #2821BB #443DDC

Accessibility & contrast

On white

13.70

#1D1887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1D1887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1887

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1887	#FFFFFF	#000000	##FFFFFF
##1D1887	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338A

Deuteranopia (green-blind)

#002885

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d1887;
/* rgb */ color: rgb(29, 24, 135);
/* oklch */ color: oklch(31.6% 0.173 272.4);

Tailwind

colors: {
  custom: {
    50: '#6d58ab',
    500: '#1d1887',
    950: '#000000',
  },
}

SCSS

$custom: #1d1887;
$custom-light: #6d58ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1887",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 135
  },
  "hsl": {
    "h": 242.703,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31636,
    "c": 0.17279,
    "h": 272.4
  },
  "luminance": 0.02664
}

Semantic roles & 50–950 ramp

primary

#1D1887

secondary

#B5BB40

accent

#ED3BE5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1887

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

Preview Lab → · Contrast checker → · Palette generator →