#1D1281#1D1281

#1D1281 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.170 H 273.6°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D1281
RGB	rgb(29, 18, 129)
HSL	hsl(246, 76%, 29%)
HSV	hsv(246, 86%, 51%)
CMYK	cmyk(77.5%, 86%, 0%, 49.4%)
CIE-LAB	lab(16.88, 41.57, -58.78)
CIE-LCH	lch(16.88, 71.99, 305.27°)
OKLab	oklab(30.2% 0.0108 -0.17)
OKLCH	oklch(30.2% 0.17 273.6)
XYZ	xyz(4.6841, 2.2783, 20.9575)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1281 #768112

analogous

#123F81 #1D1281 #551281

triadic

#1D1281 #811D12 #12811D

tetradic

#1D1281 #81123F #768112 #128155

square

#1D1281 #81123F #768112 #128155

split-complementary

#1D1281 #815512 #3F8112

monochromatic

#06041B #110B4B #1D1281 #2919B7 #3E2CE2

Accessibility & contrast

On white

14.43

#1D1281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1D1281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1281

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1281	#FFFFFF	#000000	##FFFFFF
##1D1281	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F84

Deuteranopia (green-blind)

#00247F

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1d1281;
/* rgb */ color: rgb(29, 18, 129);
/* oklch */ color: oklch(30.2% 0.170 273.6);

Tailwind

colors: {
  custom: {
    50: '#6c54a7',
    500: '#1d1281',
    950: '#000000',
  },
}

SCSS

$custom: #1d1281;
$custom-light: #6c54a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1281",
  "rgb": {
    "r": 29,
    "g": 18,
    "b": 129
  },
  "hsl": {
    "h": 245.946,
    "s": 75.51,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30203,
    "c": 0.17032,
    "h": 273.6
  },
  "luminance": 0.02279
}

Semantic roles & 50–950 ramp

primary

#1D1281

secondary

#AAB738

accent

#F236DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1281

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

Preview Lab → · Contrast checker → · Palette generator →