#1C0540#1C0540

#1C0540 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.6% C 0.101 H 293.2°. Best body text is #FFFFFF at 18.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C0540
RGB	rgb(28, 5, 64)
HSL	hsl(263, 86%, 14%)
HSV	hsv(263, 92%, 25%)
CMYK	cmyk(56.2%, 92.2%, 0%, 74.9%)
CIE-LAB	lab(6.55, 27.03, -32.32)
CIE-LCH	lch(6.55, 42.13, 309.91°)
OKLab	oklab(20.63% 0.0399 -0.0933)
OKLCH	oklch(20.63% 0.101 293.2)
XYZ	xyz(1.4583, 0.7255, 4.9127)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0540 #294005

analogous

#050B40 #1C0540 #390540

triadic

#1C0540 #401C05 #05401C

tetradic

#1C0540 #40050B #294005 #054039

square

#1C0540 #40050B #294005 #054039

split-complementary

#1C0540 #403905 #0B4005

monochromatic

#0C021C #0C021C #1C0540 #350979 #4E0EB2

Accessibility & contrast

On white

18.34

#1C0540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1C0540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0540

18.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0540	#FFFFFF	#000000	##FFFFFF
##1C0540	1.00	18.34	1.15	18.34
#FFFFFF	18.34	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001542

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#101623

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1c0540;
/* rgb */ color: rgb(28, 5, 64);
/* oklch */ color: oklch(20.6% 0.101 293.2);

Tailwind

colors: {
  custom: {
    50: '#5d4875',
    500: '#1c0540',
    950: '#000000',
  },
}

SCSS

$custom: #1c0540;
$custom-light: #5d4875;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0540",
  "rgb": {
    "r": 28,
    "g": 5,
    "b": 64
  },
  "hsl": {
    "h": 263.39,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.20627,
    "c": 0.10148,
    "h": 293.2
  },
  "luminance": 0.00726
}

Semantic roles & 50–950 ramp

primary

#1C0540

secondary

#5B8120

accent

#FC2CAB

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#050008

muted

#79777B

Preview Lab

Preview with #1C0540

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

Preview Lab → · Contrast checker → · Palette generator →