#1B0640#1B0640

#1B0640 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.6% C 0.100 H 291.7°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B0640
RGB	rgb(27, 6, 64)
HSL	hsl(262, 83%, 14%)
HSV	hsv(262, 91%, 25%)
CMYK	cmyk(57.8%, 90.6%, 0%, 74.9%)
CIE-LAB	lab(6.62, 26.27, -32.20)
CIE-LCH	lch(6.62, 41.56, 309.20°)
OKLab	oklab(20.65% 0.037 -0.093)
OKLCH	oklch(20.65% 0.1 291.7)
XYZ	xyz(1.4423, 0.7334, 4.9151)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0640 #2B4006

analogous

#060E40 #1B0640 #380640

triadic

#1B0640 #401B06 #06401B

tetradic

#1B0640 #40060E #2B4006 #064038

square

#1B0640 #40060E #2B4006 #064038

split-complementary

#1B0640 #403806 #0E4006

monochromatic

#0C031C #0C031C #1B0640 #330B78 #4A10B0

Accessibility & contrast

On white

18.32

#1B0640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1B0640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0640

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0640	#FFFFFF	#000000	##FFFFFF
##1B0640	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#0E1723

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1b0640;
/* rgb */ color: rgb(27, 6, 64);
/* oklch */ color: oklch(20.6% 0.100 291.7);

Tailwind

colors: {
  custom: {
    50: '#5d4975',
    500: '#1b0640',
    950: '#000000',
  },
}

SCSS

$custom: #1b0640;
$custom-light: #5d4975;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0640",
  "rgb": {
    "r": 27,
    "g": 6,
    "b": 64
  },
  "hsl": {
    "h": 261.724,
    "s": 82.857,
    "l": 13.725
  },
  "oklch": {
    "l": 0.2065,
    "c": 0.10006,
    "h": 291.7
  },
  "luminance": 0.00733
}

Semantic roles & 50–950 ramp

primary

#1B0640

secondary

#5E8022

accent

#F92FB0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #1B0640

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

Preview Lab → · Contrast checker → · Palette generator →