#1C1066#1C1066

#1C1066 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.6% C 0.139 H 277.6°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#1C1066
RGB	rgb(28, 16, 102)
HSL	hsl(248, 73%, 23%)
HSV	hsv(248, 84%, 40%)
CMYK	cmyk(72.5%, 84.3%, 0%, 60%)
CIE-LAB	lab(13.09, 33.72, -47.60)
CIE-LCH	lch(13.09, 58.33, 305.31°)
OKLab	oklab(26.58% 0.0182 -0.1375)
OKLCH	oklch(26.58% 0.139 277.6)
XYZ	xyz(3.0617, 1.5765, 12.7107)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1066 #5A6610

analogous

#102F66 #1C1066 #471066

triadic

#1C1066 #661C10 #10661C

tetradic

#1C1066 #66102F #5A6610 #106647

square

#1C1066 #66102F #5A6610 #106647

split-complementary

#1C1066 #664710 #2F6610

monochromatic

#07041A #0D0831 #1C1066 #2B189B #3921D0

Accessibility & contrast

On white

15.96

#1C1066 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1C1066 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1066

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1066	#FFFFFF	#000000	##FFFFFF
##1C1066	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002568

Deuteranopia (green-blind)

#001E65

Tritanopia (blue-blind)

#002A3B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1c1066;
/* rgb */ color: rgb(28, 16, 102);
/* oklch */ color: oklch(26.6% 0.139 277.6);

Tailwind

colors: {
  custom: {
    50: '#655193',
    500: '#1c1066',
    950: '#000000',
  },
}

SCSS

$custom: #1c1066;
$custom-light: #655193;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1066",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 102
  },
  "hsl": {
    "h": 248.372,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26575,
    "c": 0.13872,
    "h": 277.6
  },
  "luminance": 0.01577
}

Semantic roles & 50–950 ramp

primary

#1C1066

secondary

#8F9E33

accent

#F038D6

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1C1066

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

Preview Lab → · Contrast checker → · Palette generator →