#1F144D#1F144D

#1F144D is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.7% C 0.099 H 285.3°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F144D
RGB	rgb(31, 20, 77)
HSL	hsl(252, 59%, 19%)
HSV	hsv(252, 74%, 30%)
CMYK	cmyk(59.7%, 74%, 0%, 69.8%)
CIE-LAB	lab(11.47, 23.12, -33.38)
CIE-LCH	lch(11.47, 40.61, 304.71°)
OKLab	oklab(24.67% 0.0263 -0.0959)
OKLCH	oklch(24.67% 0.099 285.3)
XYZ	xyz(2.1544, 1.3273, 7.1624)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F144D #424D14

analogous

#14264D #1F144D #3C144D

triadic

#1F144D #4D1F14 #144D1F

tetradic

#1F144D #4D1426 #424D14 #144D3C

square

#1F144D #4D1426 #424D14 #144D3C

split-complementary

#1F144D #4D3C14 #264D14

monochromatic

#0A0618 #0B071C #1F144D #33217E #462DAE

Accessibility & contrast

On white

16.60

#1F144D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1F144D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F144D

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F144D	#FFFFFF	#000000	##FFFFFF
##1F144D	1.00	16.60	1.27	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204F

Deuteranopia (green-blind)

#001D4C

Tritanopia (blue-blind)

#0B222E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1f144d;
/* rgb */ color: rgb(31, 20, 77);
/* oklch */ color: oklch(24.7% 0.099 285.3);

Tailwind

colors: {
  custom: {
    50: '#60527f',
    500: '#1f144d',
    950: '#000000',
  },
}

SCSS

$custom: #1f144d;
$custom-light: #60527f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f144d",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 77
  },
  "hsl": {
    "h": 251.579,
    "s": 58.763,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24671,
    "c": 0.09947,
    "h": 285.3
  },
  "luminance": 0.01327
}

Semantic roles & 50–950 ramp

primary

#1F144D

secondary

#768538

accent

#E246C4

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1F144D

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

Preview Lab → · Contrast checker → · Palette generator →