#1B034E#1B034E

#1B034E is a very dark, vivid violet. Relative luminance 0.008; OKLCH L 21.9% C 0.121 H 286.0°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B034E
RGB	rgb(27, 3, 78)
HSL	hsl(259, 93%, 16%)
HSV	hsv(259, 96%, 31%)
CMYK	cmyk(65.4%, 96.2%, 0%, 69.4%)
CIE-LAB	lab(7.66, 32.74, -40.35)
CIE-LCH	lch(7.66, 51.96, 309.05°)
OKLab	oklab(21.93% 0.0333 -0.1162)
OKLCH	oklch(21.93% 0.121 286)
XYZ	xyz(1.8593, 0.8481, 7.2720)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B034E #364E03

analogous

#03104E #1B034E #40034E

triadic

#1B034E #4E1B03 #034E1B

tetradic

#1B034E #4E0310 #364E03 #034E40

square

#1B034E #4E0310 #364E03 #034E40

split-complementary

#1B034E #4E4003 #104E03

monochromatic

#0A011D #0A011D #1B034E #2F0589 #4408C4

Accessibility & contrast

On white

17.95

#1B034E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B034E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B034E

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B034E	#FFFFFF	#000000	##FFFFFF
##1B034E	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001950

Deuteranopia (green-blind)

#00154D

Tritanopia (blue-blind)

#001B2B

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b034e;
/* rgb */ color: rgb(27, 3, 78);
/* oklch */ color: oklch(21.9% 0.121 286.0);

Tailwind

colors: {
  custom: {
    50: '#604881',
    500: '#1b034e',
    950: '#000000',
  },
}

SCSS

$custom: #1b034e;
$custom-light: #604881;
$custom-dark: #000000;

JSON

{
  "hex": "#1b034e",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 78
  },
  "hsl": {
    "h": 259.2,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21933,
    "c": 0.12093,
    "h": 286
  },
  "luminance": 0.00848
}

Semantic roles & 50–950 ramp

primary

#1B034E

secondary

#6B8E1E

accent

#FF29BA

background

#F6F4F7

surface

#EBE6EE

border

#C6C2C9

text

#05010A

muted

#7A777C

Preview Lab

Preview with #1B034E

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

Preview Lab → · Contrast checker → · Palette generator →