#1B1367#1B1367

#1B1367 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.137 H 276.2°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B1367
RGB	rgb(27, 19, 103)
HSL	hsl(246, 69%, 24%)
HSV	hsv(246, 82%, 40%)
CMYK	cmyk(73.8%, 81.6%, 0%, 59.6%)
CIE-LAB	lab(13.70, 32.30, -47.25)
CIE-LCH	lch(13.70, 57.24, 304.36°)
OKLab	oklab(27.01% 0.0149 -0.1366)
OKLCH	oklch(27.01% 0.137 276.2)
XYZ	xyz(3.1322, 1.6777, 12.9881)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1367 #5F6713

analogous

#133567 #1B1367 #451367

triadic

#1B1367 #671B13 #13671B

tetradic

#1B1367 #671335 #5F6713 #136745

square

#1B1367 #671335 #5F6713 #136745

split-complementary

#1B1367 #674513 #356713

monochromatic

#07051A #0D0933 #1B1367 #291D9B #3626CE

Accessibility & contrast

On white

15.72

#1B1367 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1B1367 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1367

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1367	#FFFFFF	#000000	##FFFFFF
##1B1367	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002669

Deuteranopia (green-blind)

#001F66

Tritanopia (blue-blind)

#002C3C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1b1367;
/* rgb */ color: rgb(27, 19, 103);
/* oklch */ color: oklch(27.0% 0.137 276.2);

Tailwind

colors: {
  custom: {
    50: '#655393',
    500: '#1b1367',
    950: '#000000',
  },
}

SCSS

$custom: #1b1367;
$custom-light: #655393;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1367",
  "rgb": {
    "r": 27,
    "g": 19,
    "b": 103
  },
  "hsl": {
    "h": 245.714,
    "s": 68.852,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27014,
    "c": 0.1374,
    "h": 276.2
  },
  "luminance": 0.01678
}

Semantic roles & 50–950 ramp

primary

#1B1367

secondary

#959E37

accent

#EC3CDB

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1B1367

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

Preview Lab → · Contrast checker → · Palette generator →