#1C1782#1C1782

#1C1782 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.168 H 272.6°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#1C1782
RGB	rgb(28, 23, 130)
HSL	hsl(243, 70%, 30%)
HSV	hsv(243, 82%, 51%)
CMYK	cmyk(78.5%, 82.3%, 0%, 49%)
CIE-LAB	lab(17.79, 39.35, -57.92)
CIE-LCH	lch(17.79, 70.02, 304.19°)
OKLab	oklab(30.85% 0.0076 -0.1676)
OKLCH	oklch(30.85% 0.168 272.6)
XYZ	xyz(4.8132, 2.4709, 21.3380)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1782 #7D8217

analogous

#174782 #1C1782 #521782

triadic

#1C1782 #821C17 #17821C

tetradic

#1C1782 #821747 #7D8217 #178252

square

#1C1782 #821747 #7D8217 #178252

split-complementary

#1C1782 #825217 #478217

monochromatic

#06051A #110E4E #1C1782 #2720B6 #3F38DC

Accessibility & contrast

On white

14.05

#1C1782 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1C1782 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1782

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1782	#FFFFFF	#000000	##FFFFFF
##1C1782	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)

#003185

Deuteranopia (green-blind)

#002680

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c1782;
/* rgb */ color: rgb(28, 23, 130);
/* oklch */ color: oklch(30.8% 0.168 272.6);

Tailwind

colors: {
  custom: {
    50: '#6c57a8',
    500: '#1c1782',
    950: '#000000',
  },
}

SCSS

$custom: #1c1782;
$custom-light: #6c57a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1782",
  "rgb": {
    "r": 28,
    "g": 23,
    "b": 130
  },
  "hsl": {
    "h": 242.804,
    "s": 69.935,
    "l": 30
  },
  "oklch": {
    "l": 0.30846,
    "c": 0.16777,
    "h": 272.6
  },
  "luminance": 0.02471
}

Semantic roles & 50–950 ramp

primary

#1C1782

secondary

#B1B63E

accent

#ED3BE4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1782

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

Preview Lab → · Contrast checker → · Palette generator →