#1A0340#1A0340

#1A0340 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.104 H 291.6°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A0340
RGB	rgb(26, 3, 64)
HSL	hsl(263, 91%, 13%)
HSV	hsv(263, 95%, 25%)
CMYK	cmyk(59.4%, 95.3%, 0%, 74.9%)
CIE-LAB	lab(5.91, 27.63, -33.37)
CIE-LCH	lch(5.91, 43.32, 309.62°)
OKLab	oklab(20.04% 0.0384 -0.097)
OKLCH	oklch(20.04% 0.104 291.6)
XYZ	xyz(1.3837, 0.6548, 4.9030)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A0340 #294003

analogous

#030A40 #1A0340 #380340

triadic

#1A0340 #401A03 #03401A

tetradic

#1A0340 #40030A #294003 #034038

square

#1A0340 #40030A #294003 #034038

split-complementary

#1A0340 #403803 #0A4003

monochromatic

#0C011D #0C011D #1A0340 #32067A #4908B5

Accessibility & contrast

On white

18.57

#1A0340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1A0340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A0340

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A0340	#FFFFFF	#000000	##FFFFFF
##1A0340	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001442

Deuteranopia (green-blind)

#00123F

Tritanopia (blue-blind)

#0C1522

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1a0340;
/* rgb */ color: rgb(26, 3, 64);
/* oklch */ color: oklch(20.0% 0.104 291.6);

Tailwind

colors: {
  custom: {
    50: '#5c4776',
    500: '#1a0340',
    950: '#000000',
  },
}

SCSS

$custom: #1a0340;
$custom-light: #5c4776;
$custom-dark: #000000;

JSON

{
  "hex": "#1a0340",
  "rgb": {
    "r": 26,
    "g": 3,
    "b": 64
  },
  "hsl": {
    "h": 262.623,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.20045,
    "c": 0.10429,
    "h": 291.6
  },
  "luminance": 0.00655
}

Semantic roles & 50–950 ramp

primary

#1A0340

secondary

#5C821D

accent

#FF29AE

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #1A0340

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

Preview Lab → · Contrast checker → · Palette generator →