#1B1068#1B1068

#1B1068 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.7% C 0.142 H 276.5°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B1068
RGB	rgb(27, 16, 104)
HSL	hsl(248, 73%, 24%)
HSV	hsv(248, 85%, 41%)
CMYK	cmyk(74%, 84.6%, 0%, 59.2%)
CIE-LAB	lab(13.25, 34.29, -48.65)
CIE-LCH	lch(13.25, 59.52, 305.17°)
OKLab	oklab(26.74% 0.0161 -0.1406)
OKLCH	oklch(26.74% 0.142 276.5)
XYZ	xyz(3.1352, 1.6028, 13.2382)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1068 #5D6810

analogous

#103168 #1B1068 #471068

triadic

#1B1068 #681B10 #10681B

tetradic

#1B1068 #681031 #5D6810 #106847

square

#1B1068 #681031 #5D6810 #106847

split-complementary

#1B1068 #684710 #316810

monochromatic

#07041B #0D0833 #1B1068 #29189D #3720D2

Accessibility & contrast

On white

15.90

#1B1068 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1B1068 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1068

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1068	#FFFFFF	#000000	##FFFFFF
##1B1068	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00266A

Deuteranopia (green-blind)

#001E66

Tritanopia (blue-blind)

#002B3C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1b1068;
/* rgb */ color: rgb(27, 16, 104);
/* oklch */ color: oklch(26.7% 0.142 276.5);

Tailwind

colors: {
  custom: {
    50: '#655194',
    500: '#1b1068',
    950: '#000000',
  },
}

SCSS

$custom: #1b1068;
$custom-light: #655194;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1068",
  "rgb": {
    "r": 27,
    "g": 16,
    "b": 104
  },
  "hsl": {
    "h": 247.5,
    "s": 73.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.26736,
    "c": 0.14154,
    "h": 276.5
  },
  "luminance": 0.01603
}

Semantic roles & 50–950 ramp

primary

#1B1068

secondary

#93A034

accent

#F038D9

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1B1068

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

Preview Lab → · Contrast checker → · Palette generator →