#1C1471#1C1471

#1C1471 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.149 H 275.1°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#1C1471
RGB	rgb(28, 20, 113)
HSL	hsl(245, 70%, 26%)
HSV	hsv(245, 82%, 44%)
CMYK	cmyk(75.2%, 82.3%, 0%, 55.7%)
CIE-LAB	lab(15.16, 35.26, -51.36)
CIE-LCH	lch(15.16, 62.30, 304.47°)
OKLab	oklab(28.41% 0.0132 -0.1485)
OKLCH	oklch(28.41% 0.149 275.1)
XYZ	xyz(3.7087, 1.9391, 15.7984)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1471 #697114

analogous

#143A71 #1C1471 #4A1471

triadic

#1C1471 #711C14 #14711C

tetradic

#1C1471 #71143A #697114 #14714A

square

#1C1471 #71143A #697114 #14714A

split-complementary

#1C1471 #714A14 #3A7114

monochromatic

#06051A #0F0B3D #1C1471 #291DA5 #3627D9

Accessibility & contrast

On white

15.13

#1C1471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C1471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1471

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1471	#FFFFFF	#000000	##FFFFFF
##1C1471	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A74

Deuteranopia (green-blind)

#00226F

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c1471;
/* rgb */ color: rgb(28, 20, 113);
/* oklch */ color: oklch(28.4% 0.149 275.1);

Tailwind

colors: {
  custom: {
    50: '#68549b',
    500: '#1c1471',
    950: '#000000',
  },
}

SCSS

$custom: #1c1471;
$custom-light: #68549b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1471",
  "rgb": {
    "r": 28,
    "g": 20,
    "b": 113
  },
  "hsl": {
    "h": 245.161,
    "s": 69.925,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28414,
    "c": 0.14911,
    "h": 275.1
  },
  "luminance": 0.01939
}

Semantic roles & 50–950 ramp

primary

#1C1471

secondary

#9EA739

accent

#ED3BDD

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1471

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

Preview Lab → · Contrast checker → · Palette generator →