#1F052E#1F052E

#1F052E is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.080 H 310.1°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F052E
RGB	rgb(31, 5, 46)
HSL	hsl(278, 80%, 10%)
HSV	hsv(278, 89%, 18%)
CMYK	cmyk(32.6%, 89.1%, 0%, 82%)
CIE-LAB	lab(5.39, 21.31, -21.01)
CIE-LCH	lch(5.39, 29.92, 315.41°)
OKLab	oklab(19.17% 0.0516 -0.0612)
OKLCH	oklch(19.17% 0.08 310.1)
XYZ	xyz(1.1124, 0.5971, 2.6409)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F052E #142E05

analogous

#0B052E #1F052E #2E0528

triadic

#1F052E #2E1F05 #052E1F

tetradic

#1F052E #2E0B05 #142E05 #05282E

square

#1F052E #2E0B05 #142E05 #05282E

split-complementary

#1F052E #282E05 #052E0B

monochromatic

#13031C #13031C #1F052E #440B65 #69119C

Accessibility & contrast

On white

18.76

#1F052E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1F052E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F052E

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F052E	#FFFFFF	#000000	##FFFFFF
##1F052E	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112F

Deuteranopia (green-blind)

#00122D

Tritanopia (blue-blind)

#1D0E18

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1f052e;
/* rgb */ color: rgb(31, 5, 46);
/* oklch */ color: oklch(19.2% 0.080 310.1);

Tailwind

colors: {
  custom: {
    50: '#5c4867',
    500: '#1f052e',
    950: '#000000',
  },
}

SCSS

$custom: #1f052e;
$custom-light: #5c4867;
$custom-dark: #000000;

JSON

{
  "hex": "#1f052e",
  "rgb": {
    "r": 31,
    "g": 5,
    "b": 46
  },
  "hsl": {
    "h": 278.049,
    "s": 80.392,
    "l": 10
  },
  "oklch": {
    "l": 0.19165,
    "c": 0.08011,
    "h": 310.1
  },
  "luminance": 0.00597
}

Semantic roles & 50–950 ramp

primary

#1F052E

secondary

#3D701F

accent

#F73179

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1F052E

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

Preview Lab → · Contrast checker → · Palette generator →