#1B1160#1B1160

#1B1160 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.130 H 277.9°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#1B1160
RGB	rgb(27, 17, 96)
HSL	hsl(248, 70%, 22%)
HSV	hsv(248, 82%, 38%)
CMYK	cmyk(71.9%, 82.3%, 0%, 62.4%)
CIE-LAB	lab(12.47, 31.03, -44.64)
CIE-LCH	lch(12.47, 54.36, 304.81°)
OKLab	oklab(25.91% 0.0179 -0.1289)
OKLCH	oklch(25.91% 0.13 277.9)
XYZ	xyz(2.7631, 1.4782, 11.2038)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1160 #566011

analogous

#112F60 #1B1160 #431160

triadic

#1B1160 #601B11 #11601B

tetradic

#1B1160 #60112F #566011 #116043

square

#1B1160 #60112F #566011 #116043

split-complementary

#1B1160 #604311 #2F6011

monochromatic

#07051A #0C082C #1B1160 #2A1A94 #3823C8

Accessibility & contrast

On white

16.21

#1B1160 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1B1160 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1160

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1160	#FFFFFF	#000000	##FFFFFF
##1B1160	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002462

Deuteranopia (green-blind)

#001D5F

Tritanopia (blue-blind)

#002838

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1b1160;
/* rgb */ color: rgb(27, 17, 96);
/* oklch */ color: oklch(25.9% 0.130 277.9);

Tailwind

colors: {
  custom: {
    50: '#63518e',
    500: '#1b1160',
    950: '#000000',
  },
}

SCSS

$custom: #1b1160;
$custom-light: #63518e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1160",
  "rgb": {
    "r": 27,
    "g": 17,
    "b": 96
  },
  "hsl": {
    "h": 247.595,
    "s": 69.912,
    "l": 22.157
  },
  "oklch": {
    "l": 0.25909,
    "c": 0.13019,
    "h": 277.9
  },
  "luminance": 0.01478
}

Semantic roles & 50–950 ramp

primary

#1B1160

secondary

#8C9934

accent

#ED3BD6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B1160

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

Preview Lab → · Contrast checker → · Palette generator →