#1B0F45#1B0F45

#1B0F45 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.6% C 0.095 H 286.2°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F45
RGB	rgb(27, 15, 69)
HSL	hsl(253, 64%, 16%)
HSV	hsv(253, 78%, 27%)
CMYK	cmyk(60.9%, 78.3%, 0%, 72.9%)
CIE-LAB	lab(9.03, 22.80, -31.81)
CIE-LCH	lch(9.03, 39.14, 305.63°)
OKLab	oklab(22.57% 0.0265 -0.0915)
OKLCH	oklch(22.57% 0.095 286.2)
XYZ	xyz(1.6967, 1.0042, 5.7335)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F45 #39450F

analogous

#0F1E45 #1B0F45 #360F45

triadic

#1B0F45 #451B0F #0F451B

tetradic

#1B0F45 #450F1E #39450F #0F4536

square

#1B0F45 #450F1E #39450F #0F4536

split-complementary

#1B0F45 #45360F #1E450F

monochromatic

#0A0519 #0A0519 #1B0F45 #2F1A77 #4225AA

Accessibility & contrast

On white

17.49

#1B0F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#1B0F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F45

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F45	#FFFFFF	#000000	##FFFFFF
##1B0F45	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001844

Tritanopia (blue-blind)

#091D28

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1b0f45;
/* rgb */ color: rgb(27, 15, 69);
/* oklch */ color: oklch(22.6% 0.095 286.2);

Tailwind

colors: {
  custom: {
    50: '#5d4e79',
    500: '#1b0f45',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f45;
$custom-light: #5d4e79;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f45",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 69
  },
  "hsl": {
    "h": 253.333,
    "s": 64.286,
    "l": 16.471
  },
  "oklch": {
    "l": 0.22568,
    "c": 0.09524,
    "h": 286.2
  },
  "luminance": 0.01004
}

Semantic roles & 50–950 ramp

primary

#1B0F45

secondary

#6E7F30

accent

#E741C2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #1B0F45

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

Preview Lab → · Contrast checker → · Palette generator →