#1B1061#1B1061

#1B1061 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.132 H 277.9°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#1B1061
RGB	rgb(27, 16, 97)
HSL	hsl(248, 72%, 22%)
HSV	hsv(248, 84%, 38%)
CMYK	cmyk(72.2%, 83.5%, 0%, 62%)
CIE-LAB	lab(12.39, 31.93, -45.43)
CIE-LCH	lch(12.39, 55.53, 305.11°)
OKLab	oklab(25.89% 0.0182 -0.1312)
OKLCH	oklch(25.89% 0.132 277.9)
XYZ	xyz(2.7943, 1.4664, 11.4427)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1061 #566110

analogous

#102E61 #1B1061 #441061

triadic

#1B1061 #611B10 #10611B

tetradic

#1B1061 #61102E #566110 #106144

square

#1B1061 #61102E #566110 #106144

split-complementary

#1B1061 #614410 #2E6110

monochromatic

#07041A #0C072C #1B1061 #2A1996 #3821CA

Accessibility & contrast

On white

16.24

#1B1061 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1B1061 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1061

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1061	#FFFFFF	#000000	##FFFFFF
##1B1061	1.00	16.24	1.29	16.24
#FFFFFF	16.24	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002363

Deuteranopia (green-blind)

#001D60

Tritanopia (blue-blind)

#002838

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1b1061;
/* rgb */ color: rgb(27, 16, 97);
/* oklch */ color: oklch(25.9% 0.132 277.9);

Tailwind

colors: {
  custom: {
    50: '#64508f',
    500: '#1b1061',
    950: '#000000',
  },
}

SCSS

$custom: #1b1061;
$custom-light: #64508f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1061",
  "rgb": {
    "r": 27,
    "g": 16,
    "b": 97
  },
  "hsl": {
    "h": 248.148,
    "s": 71.681,
    "l": 22.157
  },
  "oklch": {
    "l": 0.25891,
    "c": 0.13249,
    "h": 277.9
  },
  "luminance": 0.01467
}

Semantic roles & 50–950 ramp

primary

#1B1061

secondary

#8C9A33

accent

#EE39D6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B1061

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

Preview Lab → · Contrast checker → · Palette generator →