#1A1B97#1A1B97

#1A1B97 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.8% C 0.190 H 269.8°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#1A1B97
RGB	rgb(26, 27, 151)
HSL	hsl(240, 71%, 35%)
HSV	hsv(240, 83%, 59%)
CMYK	cmyk(82.8%, 82.1%, 0%, 40.8%)
CIE-LAB	lab(20.97, 44.08, -65.76)
CIE-LCH	lch(20.97, 79.17, 303.84°)
OKLab	oklab(33.78% -0.0006 -0.1904)
OKLCH	oklch(33.78% 0.19 269.8)
XYZ	xyz(6.4019, 3.2371, 29.5596)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1B97 #97961A

analogous

#1A5A97 #1A1B97 #581A97

triadic

#1A1B97 #971A1B #1B971A

tetradic

#1A1B97 #971A5A #97961A #1A9758

square

#1A1B97 #971A5A #97961A #1A9758

split-complementary

#1A1B97 #97581A #5A971A

monochromatic

#08082F #111263 #1A1B97 #2324CB #4B4DE0

Accessibility & contrast

On white

12.75

#1A1B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1A1B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1B97

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1B97	#FFFFFF	#000000	##FFFFFF
##1A1B97	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399A

Deuteranopia (green-blind)

#002C95

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a1b97;
/* rgb */ color: rgb(26, 27, 151);
/* oklch */ color: oklch(33.8% 0.190 269.8);

Tailwind

colors: {
  custom: {
    50: '#715bb7',
    500: '#1a1b97',
    950: '#000000',
  },
}

SCSS

$custom: #1a1b97;
$custom-light: #715bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1b97",
  "rgb": {
    "r": 26,
    "g": 27,
    "b": 151
  },
  "hsl": {
    "h": 239.52,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3378,
    "c": 0.19042,
    "h": 269.8
  },
  "luminance": 0.03238
}

Semantic roles & 50–950 ramp

primary

#1A1B97

secondary

#C2C14B

accent

#EC3AED

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A1B97

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

Preview Lab → · Contrast checker → · Palette generator →