#1F124C#1F124C

#1F124C is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.2% C 0.101 H 286.5°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F124C
RGB	rgb(31, 18, 76)
HSL	hsl(253, 62%, 18%)
HSV	hsv(253, 76%, 30%)
CMYK	cmyk(59.2%, 76.3%, 0%, 70.2%)
CIE-LAB	lab(10.89, 24.07, -33.63)
CIE-LCH	lch(10.89, 41.36, 305.60°)
OKLab	oklab(24.23% 0.0286 -0.0966)
OKLCH	oklch(24.23% 0.101 286.5)
XYZ	xyz(2.0855, 1.2456, 6.9666)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F124C #3F4C12

analogous

#12224C #1F124C #3C124C

triadic

#1F124C #4C1F12 #124C1F

tetradic

#1F124C #4C1222 #3F4C12 #124C3C

square

#1F124C #4C1222 #3F4C12 #124C3C

split-complementary

#1F124C #4C3C12 #224C12

monochromatic

#0A0619 #0B061B #1F124C #331E7D #4729AF

Accessibility & contrast

On white

16.81

#1F124C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1F124C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F124C

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F124C	#FFFFFF	#000000	##FFFFFF
##1F124C	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4E

Deuteranopia (green-blind)

#001C4B

Tritanopia (blue-blind)

#0C212D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1f124c;
/* rgb */ color: rgb(31, 18, 76);
/* oklch */ color: oklch(24.2% 0.101 286.5);

Tailwind

colors: {
  custom: {
    50: '#60517f',
    500: '#1f124c',
    950: '#000000',
  },
}

SCSS

$custom: #1f124c;
$custom-light: #60517f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f124c",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 76
  },
  "hsl": {
    "h": 253.448,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.24227,
    "c": 0.1008,
    "h": 286.5
  },
  "luminance": 0.01246
}

Semantic roles & 50–950 ramp

primary

#1F124C

secondary

#738535

accent

#E543C1

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F124C

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

Preview Lab → · Contrast checker → · Palette generator →