#1B073F#1B073F

#1B073F is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.7% C 0.097 H 291.9°. Best body text is #FFFFFF at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B073F
RGB	rgb(27, 7, 63)
HSL	hsl(261, 80%, 14%)
HSV	hsv(261, 89%, 25%)
CMYK	cmyk(57.1%, 88.9%, 0%, 75.3%)
CIE-LAB	lab(6.72, 25.36, -31.34)
CIE-LCH	lch(6.72, 40.31, 308.99°)
OKLab	oklab(20.69% 0.0363 -0.0904)
OKLCH	oklch(20.69% 0.097 291.9)
XYZ	xyz(1.4249, 0.7438, 4.7702)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B073F #2B3F07

analogous

#070F3F #1B073F #37073F

triadic

#1B073F #3F1B07 #073F1B

tetradic

#1B073F #3F070F #2B3F07 #073F37

square

#1B073F #3F070F #2B3F07 #073F37

split-complementary

#1B073F #3F3707 #0F3F07

monochromatic

#0C031C #0C031C #1B073F #330D76 #4A13AD

Accessibility & contrast

On white

18.28

#1B073F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1B073F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B073F

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B073F	#FFFFFF	#000000	##FFFFFF
##1B073F	1.00	18.28	1.15	18.28
#FFFFFF	18.28	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001641

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#0F1723

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1b073f;
/* rgb */ color: rgb(27, 7, 63);
/* oklch */ color: oklch(20.7% 0.097 291.9);

Tailwind

colors: {
  custom: {
    50: '#5c4975',
    500: '#1b073f',
    950: '#000000',
  },
}

SCSS

$custom: #1b073f;
$custom-light: #5c4975;
$custom-dark: #000000;

JSON

{
  "hex": "#1b073f",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 63
  },
  "hsl": {
    "h": 261.429,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20689,
    "c": 0.0974,
    "h": 291.9
  },
  "luminance": 0.00744
}

Semantic roles & 50–950 ramp

primary

#1B073F

secondary

#5E7E24

accent

#F631B0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #1B073F

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

Preview Lab → · Contrast checker → · Palette generator →