#1B1A85#1B1A85

#1B1A85 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.169 H 271.6°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B1A85
RGB	rgb(27, 26, 133)
HSL	hsl(241, 67%, 31%)
HSV	hsv(241, 80%, 52%)
CMYK	cmyk(79.7%, 80.5%, 0%, 47.8%)
CIE-LAB	lab(18.65, 38.67, -58.39)
CIE-LCH	lch(18.65, 70.03, 303.52°)
OKLab	oklab(31.54% 0.0046 -0.169)
OKLCH	oklch(31.54% 0.169 271.6)
XYZ	xyz(5.0536, 2.6647, 22.4338)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1A85 #84851A

analogous

#1A4E85 #1B1A85 #501A85

triadic

#1B1A85 #851B1A #1A851B

tetradic

#1B1A85 #851A4E #84851A #1A8550

square

#1B1A85 #851A4E #84851A #1A8550

split-complementary

#1B1A85 #85501A #4E851A

monochromatic

#06061F #111052 #1B1A85 #2524B8 #4140DA

Accessibility & contrast

On white

13.70

#1B1A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1B1A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1A85

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1A85	#FFFFFF	#000000	##FFFFFF
##1B1A85	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003388

Deuteranopia (green-blind)

#002883

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b1a85;
/* rgb */ color: rgb(27, 26, 133);
/* oklch */ color: oklch(31.5% 0.169 271.6);

Tailwind

colors: {
  custom: {
    50: '#6c59aa',
    500: '#1b1a85',
    950: '#000000',
  },
}

SCSS

$custom: #1b1a85;
$custom-light: #6c59aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1a85",
  "rgb": {
    "r": 27,
    "g": 26,
    "b": 133
  },
  "hsl": {
    "h": 240.561,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31538,
    "c": 0.16909,
    "h": 271.6
  },
  "luminance": 0.02665
}

Semantic roles & 50–950 ramp

primary

#1B1A85

secondary

#B7B842

accent

#EA3EE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1B1A85

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

Preview Lab → · Contrast checker → · Palette generator →