#1B1A93#1B1A93

#1B1A93 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.186 H 270.5°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B1A93
RGB	rgb(27, 26, 147)
HSL	hsl(240, 70%, 34%)
HSV	hsv(240, 82%, 58%)
CMYK	cmyk(81.6%, 82.3%, 0%, 42.4%)
CIE-LAB	lab(20.35, 43.34, -64.31)
CIE-LCH	lch(20.35, 77.55, 303.98°)
OKLab	oklab(33.22% 0.0016 -0.1862)
OKLCH	oklch(33.22% 0.186 270.5)
XYZ	xyz(6.0861, 3.0777, 27.8714)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1A93 #92931A

analogous

#1A5693 #1B1A93 #581A93

triadic

#1B1A93 #931B1A #1A931B

tetradic

#1B1A93 #931A56 #92931A #1A9358

square

#1B1A93 #931A56 #92931A #1A9358

split-complementary

#1B1A93 #93581A #56931A

monochromatic

#08082B #11115F #1B1A93 #2523C7 #4A49DF

Accessibility & contrast

On white

13.00

#1B1A93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1B1A93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1A93

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1A93	#FFFFFF	#000000	##FFFFFF
##1B1A93	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003796

Deuteranopia (green-blind)

#002B91

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b1a93;
/* rgb */ color: rgb(27, 26, 147);
/* oklch */ color: oklch(33.2% 0.186 270.5);

Tailwind

colors: {
  custom: {
    50: '#705ab4',
    500: '#1b1a93',
    950: '#000000',
  },
}

SCSS

$custom: #1b1a93;
$custom-light: #705ab4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1a93",
  "rgb": {
    "r": 27,
    "g": 26,
    "b": 147
  },
  "hsl": {
    "h": 240.496,
    "s": 69.942,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33223,
    "c": 0.1862,
    "h": 270.5
  },
  "luminance": 0.03078
}

Semantic roles & 50–950 ramp

primary

#1B1A93

secondary

#BFC048

accent

#ED3BEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1B1A93

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

Preview Lab → · Contrast checker → · Palette generator →