#1B0741#1B0741

#1B0741 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.100 H 290.8°. Best body text is #FFFFFF at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#1B0741
RGB	rgb(27, 7, 65)
HSL	hsl(261, 81%, 14%)
HSV	hsv(261, 89%, 25%)
CMYK	cmyk(58.5%, 89.2%, 0%, 74.5%)
CIE-LAB	lab(6.92, 26.09, -32.43)
CIE-LCH	lch(6.92, 41.62, 308.82°)
OKLab	oklab(20.92% 0.0356 -0.0935)
OKLCH	oklch(20.92% 0.1 290.8)
XYZ	xyz(1.4818, 0.7666, 5.0699)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0741 #2D4107

analogous

#071041 #1B0741 #380741

triadic

#1B0741 #411B07 #07411B

tetradic

#1B0741 #410710 #2D4107 #074138

square

#1B0741 #410710 #2D4107 #074138

split-complementary

#1B0741 #413807 #104107

monochromatic

#0B031C #0B031C #1B0741 #320D78 #4913B0

Accessibility & contrast

On white

18.21

#1B0741 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1B0741 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0741

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0741	#FFFFFF	#000000	##FFFFFF
##1B0741	1.00	18.21	1.15	18.21
#FFFFFF	18.21	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001643

Deuteranopia (green-blind)

#001440

Tritanopia (blue-blind)

#0D1824

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1b0741;
/* rgb */ color: rgb(27, 7, 65);
/* oklch */ color: oklch(20.9% 0.100 290.8);

Tailwind

colors: {
  custom: {
    50: '#5d4976',
    500: '#1b0741',
    950: '#000000',
  },
}

SCSS

$custom: #1b0741;
$custom-light: #5d4976;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0741",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 65
  },
  "hsl": {
    "h": 260.69,
    "s": 80.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20917,
    "c": 0.09999,
    "h": 290.8
  },
  "luminance": 0.00767
}

Semantic roles & 50–950 ramp

primary

#1B0741

secondary

#608024

accent

#F731B3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #1B0741

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

Preview Lab → · Contrast checker → · Palette generator →