#1C0F66#1C0F66

#1C0F66 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.5% C 0.140 H 277.7°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C0F66
RGB	rgb(28, 15, 102)
HSL	hsl(249, 74%, 23%)
HSV	hsv(249, 85%, 40%)
CMYK	cmyk(72.5%, 85.3%, 0%, 60%)
CIE-LAB	lab(12.91, 34.24, -47.89)
CIE-LCH	lch(12.91, 58.87, 305.56°)
OKLab	oklab(26.45% 0.0187 -0.1384)
OKLCH	oklch(26.45% 0.14 277.7)
XYZ	xyz(3.0472, 1.5476, 12.7059)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0F66 #59660F

analogous

#0F2D66 #1C0F66 #480F66

triadic

#1C0F66 #661C0F #0F661C

tetradic

#1C0F66 #660F2D #59660F #0F6648

square

#1C0F66 #660F2D #59660F #0F6648

split-complementary

#1C0F66 #66480F #2D660F

monochromatic

#07041B #0D0731 #1C0F66 #2B179B #391FD1

Accessibility & contrast

On white

16.04

#1C0F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1C0F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0F66

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0F66	#FFFFFF	#000000	##FFFFFF
##1C0F66	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002568

Deuteranopia (green-blind)

#001E65

Tritanopia (blue-blind)

#002A3B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1c0f66;
/* rgb */ color: rgb(28, 15, 102);
/* oklch */ color: oklch(26.5% 0.140 277.7);

Tailwind

colors: {
  custom: {
    50: '#655093',
    500: '#1c0f66',
    950: '#000000',
  },
}

SCSS

$custom: #1c0f66;
$custom-light: #655093;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0f66",
  "rgb": {
    "r": 28,
    "g": 15,
    "b": 102
  },
  "hsl": {
    "h": 248.966,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.2645,
    "c": 0.13963,
    "h": 277.7
  },
  "luminance": 0.01548
}

Semantic roles & 50–950 ramp

primary

#1C0F66

secondary

#8F9F32

accent

#F137D5

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1C0F66

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

Preview Lab → · Contrast checker → · Palette generator →