#1F113F#1F113F

#1F113F is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 22.8% C 0.083 H 292.5°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F113F
RGB	rgb(31, 17, 63)
HSL	hsl(258, 58%, 16%)
HSV	hsv(258, 73%, 25%)
CMYK	cmyk(50.8%, 73%, 0%, 75.3%)
CIE-LAB	lab(9.41, 20.27, -26.93)
CIE-LCH	lch(9.41, 33.70, 306.97°)
OKLab	oklab(22.78% 0.0319 -0.0769)
OKLCH	oklch(22.78% 0.083 292.5)
XYZ	xyz(1.6625, 1.0510, 4.8169)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F113F #313F11

analogous

#111A3F #1F113F #36113F

triadic

#1F113F #3F1F11 #113F1F

tetradic

#1F113F #3F111A #313F11 #113F36

square

#1F113F #3F111A #313F11 #113F36

split-complementary

#1F113F #3F3611 #1A3F11

monochromatic

#0C0718 #0C0718 #1F113F #371E6F #4E2B9F

Accessibility & contrast

On white

17.35

#1F113F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1F113F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F113F

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F113F	#FFFFFF	#000000	##FFFFFF
##1F113F	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B40

Deuteranopia (green-blind)

#00193E

Tritanopia (blue-blind)

#161C26

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1f113f;
/* rgb */ color: rgb(31, 17, 63);
/* oklch */ color: oklch(22.8% 0.083 292.5);

Tailwind

colors: {
  custom: {
    50: '#5e5074',
    500: '#1f113f',
    950: '#000000',
  },
}

SCSS

$custom: #1f113f;
$custom-light: #5e5074;
$custom-dark: #000000;

JSON

{
  "hex": "#1f113f",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 63
  },
  "hsl": {
    "h": 258.261,
    "s": 57.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22777,
    "c": 0.08332,
    "h": 292.5
  },
  "luminance": 0.01051
}

Semantic roles & 50–950 ramp

primary

#1F113F

secondary

#637833

accent

#E147B2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#050208

muted

#79787B

Preview Lab

Preview with #1F113F

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

Preview Lab → · Contrast checker → · Palette generator →