#1B1167#1B1167

#1B1167 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.7% C 0.139 H 276.6°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B1167
RGB	rgb(27, 17, 103)
HSL	hsl(247, 72%, 24%)
HSV	hsv(247, 83%, 40%)
CMYK	cmyk(73.8%, 83.5%, 0%, 59.6%)
CIE-LAB	lab(13.31, 33.42, -47.89)
CIE-LCH	lch(13.31, 58.40, 304.91°)
OKLab	oklab(26.74% 0.0159 -0.1384)
OKLCH	oklch(26.74% 0.139 276.6)
XYZ	xyz(3.0998, 1.6129, 12.9773)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1167 #5D6711

analogous

#113267 #1B1167 #461167

triadic

#1B1167 #671B11 #11671B

tetradic

#1B1167 #671132 #5D6711 #116746

square

#1B1167 #671132 #5D6711 #116746

split-complementary

#1B1167 #674611 #326711

monochromatic

#07041A #0D0832 #1B1167 #291A9C #3722D0

Accessibility & contrast

On white

15.88

#1B1167 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1B1167 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1167

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1167	#FFFFFF	#000000	##FFFFFF
##1B1167	1.00	15.88	1.32	15.88
#FFFFFF	15.88	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002669

Deuteranopia (green-blind)

#001E66

Tritanopia (blue-blind)

#002B3C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1b1167;
/* rgb */ color: rgb(27, 17, 103);
/* oklch */ color: oklch(26.7% 0.139 276.6);

Tailwind

colors: {
  custom: {
    50: '#655193',
    500: '#1b1167',
    950: '#000000',
  },
}

SCSS

$custom: #1b1167;
$custom-light: #655193;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1167",
  "rgb": {
    "r": 27,
    "g": 17,
    "b": 103
  },
  "hsl": {
    "h": 246.977,
    "s": 71.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.26743,
    "c": 0.13934,
    "h": 276.6
  },
  "luminance": 0.01613
}

Semantic roles & 50–950 ramp

primary

#1B1167

secondary

#939F35

accent

#EE39D9

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1B1167

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

Preview Lab → · Contrast checker → · Palette generator →