#1D1880#1D1880

#1D1880 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.164 H 273.2°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#1D1880
RGB	rgb(29, 24, 128)
HSL	hsl(243, 68%, 30%)
HSV	hsv(243, 81%, 50%)
CMYK	cmyk(77.3%, 81.3%, 0%, 49.8%)
CIE-LAB	lab(17.79, 38.23, -56.64)
CIE-LCH	lch(17.79, 68.33, 304.02°)
OKLab	oklab(30.8% 0.009 -0.1639)
OKLCH	oklch(30.8% 0.164 273.2)
XYZ	xyz(4.7283, 2.4725, 20.6459)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1880 #7B8018

analogous

#184780 #1D1880 #511880

triadic

#1D1880 #801D18 #18801D

tetradic

#1D1880 #801847 #7B8018 #188051

square

#1D1880 #801847 #7B8018 #188051

split-complementary

#1D1880 #805118 #478018

monochromatic

#06051A #110E4C #1D1880 #2922B4 #4039DA

Accessibility & contrast

On white

14.05

#1D1880 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1D1880 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1880

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1880	#FFFFFF	#000000	##FFFFFF
##1D1880	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#00267E

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d1880;
/* rgb */ color: rgb(29, 24, 128);
/* oklch */ color: oklch(30.8% 0.164 273.2);

Tailwind

colors: {
  custom: {
    50: '#6c57a6',
    500: '#1d1880',
    950: '#000000',
  },
}

SCSS

$custom: #1d1880;
$custom-light: #6c57a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1880",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 128
  },
  "hsl": {
    "h": 242.885,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.30798,
    "c": 0.16412,
    "h": 273.2
  },
  "luminance": 0.02473
}

Semantic roles & 50–950 ramp

primary

#1D1880

secondary

#AFB440

accent

#EB3DE3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D1880

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

Preview Lab → · Contrast checker → · Palette generator →