#1F124B#1F124B

#1F124B is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.1% C 0.099 H 286.9°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F124B
RGB	rgb(31, 18, 75)
HSL	hsl(254, 61%, 18%)
HSV	hsv(254, 76%, 29%)
CMYK	cmyk(58.7%, 76%, 0%, 70.6%)
CIE-LAB	lab(10.79, 23.73, -33.10)
CIE-LCH	lch(10.79, 40.73, 305.63°)
OKLab	oklab(24.13% 0.0288 -0.0951)
OKLCH	oklch(24.13% 0.099 286.9)
XYZ	xyz(2.0510, 1.2318, 6.7849)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F124B #3E4B12

analogous

#12214B #1F124B #3B124B

triadic

#1F124B #4B1F12 #124B1F

tetradic

#1F124B #4B1221 #3E4B12 #124B3B

square

#1F124B #4B1221 #3E4B12 #124B3B

split-complementary

#1F124B #4B3B12 #214B12

monochromatic

#0A0619 #0B061A #1F124B #331E7C #482AAE

Accessibility & contrast

On white

16.85

#1F124B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1F124B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F124B

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F124B	#FFFFFF	#000000	##FFFFFF
##1F124B	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4D

Deuteranopia (green-blind)

#001B4A

Tritanopia (blue-blind)

#0D212C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1f124b;
/* rgb */ color: rgb(31, 18, 75);
/* oklch */ color: oklch(24.1% 0.099 286.9);

Tailwind

colors: {
  custom: {
    50: '#60517e',
    500: '#1f124b',
    950: '#000000',
  },
}

SCSS

$custom: #1f124b;
$custom-light: #60517e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f124b",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 75
  },
  "hsl": {
    "h": 253.684,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24125,
    "c": 0.09937,
    "h": 286.9
  },
  "luminance": 0.01232
}

Semantic roles & 50–950 ramp

primary

#1F124B

secondary

#728435

accent

#E443C0

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F124B

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

Preview Lab → · Contrast checker → · Palette generator →