#1C042F#1C042F

#1C042F is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.6% C 0.082 H 305.6°. Best body text is #FFFFFF at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#1C042F
RGB	rgb(28, 4, 47)
HSL	hsl(273, 84%, 10%)
HSV	hsv(273, 91%, 18%)
CMYK	cmyk(40.4%, 91.5%, 0%, 81.6%)
CIE-LAB	lab(4.87, 20.88, -22.62)
CIE-LCH	lch(4.87, 30.78, 312.72°)
OKLab	oklab(18.59% 0.0479 -0.067)
OKLCH	oklch(18.59% 0.082 305.6)
XYZ	xyz(1.0353, 0.5390, 2.7383)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C042F #172F04

analogous

#06042F #1C042F #2F042D

triadic

#1C042F #2F1C04 #042F1C

tetradic

#1C042F #2F0604 #172F04 #042D2F

square

#1C042F #2F0604 #172F04 #042D2F

split-complementary

#1C042F #2D2F04 #042F06

monochromatic

#11021C #11021C #1C042F #3E0967 #5F0EA0

Accessibility & contrast

On white

18.96

#1C042F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1C042F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C042F

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C042F	#FFFFFF	#000000	##FFFFFF
##1C042F	1.00	18.96	1.11	18.96
#FFFFFF	18.96	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001030

Deuteranopia (green-blind)

#00112E

Tritanopia (blue-blind)

#180E19

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1c042f;
/* rgb */ color: rgb(28, 4, 47);
/* oklch */ color: oklch(18.6% 0.082 305.6);

Tailwind

colors: {
  custom: {
    50: '#5a4868',
    500: '#1c042f',
    950: '#000000',
  },
}

SCSS

$custom: #1c042f;
$custom-light: #5a4868;
$custom-dark: #000000;

JSON

{
  "hex": "#1c042f",
  "rgb": {
    "r": 28,
    "g": 4,
    "b": 47
  },
  "hsl": {
    "h": 273.488,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.18586,
    "c": 0.08238,
    "h": 305.6
  },
  "luminance": 0.00539
}

Semantic roles & 50–950 ramp

primary

#1C042F

secondary

#43721D

accent

#FB2D88

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1C042F

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

Preview Lab → · Contrast checker → · Palette generator →