#1C1373#1C1373

#1C1373 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.5% C 0.153 H 274.9°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C1373
RGB	rgb(28, 19, 115)
HSL	hsl(246, 72%, 26%)
HSV	hsv(246, 83%, 45%)
CMYK	cmyk(75.7%, 83.5%, 0%, 54.9%)
CIE-LAB	lab(15.22, 36.47, -52.56)
CIE-LCH	lch(15.22, 63.97, 304.75°)
OKLab	oklab(28.53% 0.013 -0.152)
OKLCH	oklch(28.53% 0.153 274.9)
XYZ	xyz(3.8053, 1.9501, 16.3922)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1373 #6A7313

analogous

#133A73 #1C1373 #4C1373

triadic

#1C1373 #731C13 #13731C

tetradic

#1C1373 #73133A #6A7313 #13734C

square

#1C1373 #73133A #6A7313 #13734C

split-complementary

#1C1373 #734C13 #3A7313

monochromatic

#06041A #0F0A3E #1C1373 #291CA8 #3625DB

Accessibility & contrast

On white

15.11

#1C1373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C1373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1373

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1373	#FFFFFF	#000000	##FFFFFF
##1C1373	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A76

Deuteranopia (green-blind)

#002271

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c1373;
/* rgb */ color: rgb(28, 19, 115);
/* oklch */ color: oklch(28.5% 0.153 274.9);

Tailwind

colors: {
  custom: {
    50: '#68549c',
    500: '#1c1373',
    950: '#000000',
  },
}

SCSS

$custom: #1c1373;
$custom-light: #68549c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1373",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 115
  },
  "hsl": {
    "h": 245.625,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28526,
    "c": 0.15256,
    "h": 274.9
  },
  "luminance": 0.0195
}

Semantic roles & 50–950 ramp

primary

#1C1373

secondary

#9FAA38

accent

#EE39DD

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1373

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

Preview Lab → · Contrast checker → · Palette generator →