#1C0440#1C0440

#1C0440 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.103 H 293.5°. Best body text is #FFFFFF at 18.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C0440
RGB	rgb(28, 4, 64)
HSL	hsl(264, 88%, 13%)
HSV	hsv(264, 94%, 25%)
CMYK	cmyk(56.2%, 93.8%, 0%, 74.9%)
CIE-LAB	lab(6.36, 27.57, -32.64)
CIE-LCH	lch(6.36, 42.72, 310.19°)
OKLab	oklab(20.47% 0.0411 -0.0944)
OKLCH	oklch(20.47% 0.103 293.5)
XYZ	xyz(1.4475, 0.7038, 4.9091)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0440 #284004

analogous

#040A40 #1C0440 #3A0440

triadic

#1C0440 #401C04 #04401C

tetradic

#1C0440 #40040A #284004 #04403A

square

#1C0440 #40040A #284004 #04403A

split-complementary

#1C0440 #403A04 #0A4004

monochromatic

#0D021D #0D021D #1C0440 #35087A #4E0BB3

Accessibility & contrast

On white

18.41

#1C0440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1C0440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0440

18.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0440	#FFFFFF	#000000	##FFFFFF
##1C0440	1.00	18.41	1.14	18.41
#FFFFFF	18.41	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001542

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#101623

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1c0440;
/* rgb */ color: rgb(28, 4, 64);
/* oklch */ color: oklch(20.5% 0.103 293.5);

Tailwind

colors: {
  custom: {
    50: '#5d4875',
    500: '#1c0440',
    950: '#000000',
  },
}

SCSS

$custom: #1c0440;
$custom-light: #5d4875;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0440",
  "rgb": {
    "r": 28,
    "g": 4,
    "b": 64
  },
  "hsl": {
    "h": 264,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20471,
    "c": 0.10291,
    "h": 293.5
  },
  "luminance": 0.00704
}

Semantic roles & 50–950 ramp

primary

#1C0440

secondary

#5A811F

accent

#FE29A9

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#050008

muted

#79777B

Preview Lab

Preview with #1C0440

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

Preview Lab → · Contrast checker → · Palette generator →