#1B052D#1B052D

#1B052D is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.4% C 0.078 H 305.4°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B052D
RGB	rgb(27, 5, 45)
HSL	hsl(273, 80%, 10%)
HSV	hsv(273, 89%, 18%)
CMYK	cmyk(40%, 88.9%, 0%, 82.4%)
CIE-LAB	lab(4.80, 19.18, -21.24)
CIE-LCH	lch(4.80, 28.62, 312.08°)
OKLab	oklab(18.42% 0.045 -0.0632)
OKLCH	oklch(18.42% 0.078 305.4)
XYZ	xyz(0.9798, 0.5310, 2.5330)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B052D #172D05

analogous

#07052D #1B052D #2D052B

triadic

#1B052D #2D1B05 #052D1B

tetradic

#1B052D #2D0705 #172D05 #052B2D

square

#1B052D #2D0705 #172D05 #052B2D

split-complementary

#1B052D #2B2D05 #052D07

monochromatic

#11031C #11031C #1B052D #3C0B64 #5D119B

Accessibility & contrast

On white

18.98

#1B052D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1B052D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B052D

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B052D	#FFFFFF	#000000	##FFFFFF
##1B052D	1.00	18.98	1.11	18.98
#FFFFFF	18.98	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102E

Deuteranopia (green-blind)

#00102C

Tritanopia (blue-blind)

#180E18

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1b052d;
/* rgb */ color: rgb(27, 5, 45);
/* oklch */ color: oklch(18.4% 0.078 305.4);

Tailwind

colors: {
  custom: {
    50: '#594866',
    500: '#1b052d',
    950: '#000000',
  },
}

SCSS

$custom: #1b052d;
$custom-light: #594866;
$custom-dark: #000000;

JSON

{
  "hex": "#1b052d",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 45
  },
  "hsl": {
    "h": 273,
    "s": 80,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18416,
    "c": 0.07754,
    "h": 305.4
  },
  "luminance": 0.00531
}

Semantic roles & 50–950 ramp

primary

#1B052D

secondary

#436F1F

accent

#F6318A

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #1B052D

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

Preview Lab → · Contrast checker → · Palette generator →