#1B0740#1B0740

#1B0740 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.8% C 0.099 H 291.3°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B0740
RGB	rgb(27, 7, 64)
HSL	hsl(261, 80%, 14%)
HSV	hsv(261, 89%, 25%)
CMYK	cmyk(57.8%, 89.1%, 0%, 74.9%)
CIE-LAB	lab(6.82, 25.73, -31.88)
CIE-LCH	lch(6.82, 40.97, 308.90°)
OKLab	oklab(20.8% 0.0359 -0.0919)
OKLCH	oklch(20.8% 0.099 291.3)
XYZ	xyz(1.4531, 0.7551, 4.9187)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0740 #2C4007

analogous

#071040 #1B0740 #380740

triadic

#1B0740 #401B07 #07401B

tetradic

#1B0740 #400710 #2C4007 #074038

square

#1B0740 #400710 #2C4007 #074038

split-complementary

#1B0740 #403807 #104007

monochromatic

#0C031C #0C031C #1B0740 #320D77 #4A13AE

Accessibility & contrast

On white

18.25

#1B0740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1B0740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0740

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0740	#FFFFFF	#000000	##FFFFFF
##1B0740	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00143F

Tritanopia (blue-blind)

#0E1723

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1b0740;
/* rgb */ color: rgb(27, 7, 64);
/* oklch */ color: oklch(20.8% 0.099 291.3);

Tailwind

colors: {
  custom: {
    50: '#5d4975',
    500: '#1b0740',
    950: '#000000',
  },
}

SCSS

$custom: #1b0740;
$custom-light: #5d4975;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0740",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 64
  },
  "hsl": {
    "h": 261.053,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20803,
    "c": 0.09869,
    "h": 291.3
  },
  "luminance": 0.00755
}

Semantic roles & 50–950 ramp

primary

#1B0740

secondary

#5F7F24

accent

#F731B1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #1B0740

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

Preview Lab → · Contrast checker → · Palette generator →