#1F053F#1F053F

#1F053F is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.101 H 297.2°. Best body text is #FFFFFF at 18.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F053F
RGB	rgb(31, 5, 63)
HSL	hsl(267, 85%, 13%)
HSV	hsv(267, 92%, 25%)
CMYK	cmyk(50.8%, 92.1%, 0%, 75.3%)
CIE-LAB	lab(6.85, 27.36, -31.09)
CIE-LCH	lch(6.85, 41.42, 311.35°)
OKLab	oklab(20.93% 0.0459 -0.0894)
OKLCH	oklch(20.93% 0.101 297.2)
XYZ	xyz(1.5163, 0.7587, 4.7682)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F053F #253F05

analogous

#05083F #1F053F #3C053F

triadic

#1F053F #3F1F05 #053F1F

tetradic

#1F053F #3F0508 #253F05 #053F3C

square

#1F053F #3F0508 #253F05 #053F3C

split-complementary

#1F053F #3F3C05 #083F05

monochromatic

#0E021C #0E021C #1F053F #3B0978 #570EB0

Accessibility & contrast

On white

18.23

#1F053F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1F053F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F053F

18.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F053F	#FFFFFF	#000000	##FFFFFF
##1F053F	1.00	18.23	1.15	18.23
#FFFFFF	18.23	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001541

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#161522

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1f053f;
/* rgb */ color: rgb(31, 5, 63);
/* oklch */ color: oklch(20.9% 0.101 297.2);

Tailwind

colors: {
  custom: {
    50: '#5f4875',
    500: '#1f053f',
    950: '#000000',
  },
}

SCSS

$custom: #1f053f;
$custom-light: #5f4875;
$custom-dark: #000000;

JSON

{
  "hex": "#1f053f",
  "rgb": {
    "r": 31,
    "g": 5,
    "b": 63
  },
  "hsl": {
    "h": 266.897,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20925,
    "c": 0.10051,
    "h": 297.2
  },
  "luminance": 0.00759
}

Semantic roles & 50–950 ramp

primary

#1F053F

secondary

#558020

accent

#FC2C9F

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050108

muted

#79777B

Preview Lab

Preview with #1F053F

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

Preview Lab → · Contrast checker → · Palette generator →