#1C1785#1C1785

#1C1785 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.171 H 272.3°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C1785
RGB	rgb(28, 23, 133)
HSL	hsl(243, 71%, 31%)
HSV	hsv(243, 83%, 52%)
CMYK	cmyk(78.9%, 82.7%, 0%, 47.8%)
CIE-LAB	lab(18.15, 40.35, -59.20)
CIE-LCH	lch(18.15, 71.64, 304.27°)
OKLab	oklab(31.21% 0.0069 -0.1713)
OKLCH	oklch(31.21% 0.171 272.3)
XYZ	xyz(5.0175, 2.5526, 22.4140)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1785 #808517

analogous

#174985 #1C1785 #531785

triadic

#1C1785 #851C17 #17851C

tetradic

#1C1785 #851749 #808517 #178553

square

#1C1785 #851749 #808517 #178553

split-complementary

#1C1785 #855317 #498517

monochromatic

#06051D #110E51 #1C1785 #2720B9 #413ADD

Accessibility & contrast

On white

13.90

#1C1785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C1785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1785

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1785	#FFFFFF	#000000	##FFFFFF
##1C1785	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002783

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c1785;
/* rgb */ color: rgb(28, 23, 133);
/* oklch */ color: oklch(31.2% 0.171 272.3);

Tailwind

colors: {
  custom: {
    50: '#6d57aa',
    500: '#1c1785',
    950: '#000000',
  },
}

SCSS

$custom: #1c1785;
$custom-light: #6d57aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1785",
  "rgb": {
    "r": 28,
    "g": 23,
    "b": 133
  },
  "hsl": {
    "h": 242.727,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3121,
    "c": 0.17146,
    "h": 272.3
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary

#1C1785

secondary

#B3B93F

accent

#ED3BE5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1785

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

Preview Lab → · Contrast checker → · Palette generator →