#1B1476#1B1476

#1B1476 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.9% C 0.156 H 273.8°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#1B1476
RGB	rgb(27, 20, 118)
HSL	hsl(244, 71%, 27%)
HSV	hsv(244, 83%, 46%)
CMYK	cmyk(77.1%, 83.1%, 0%, 53.7%)
CIE-LAB	lab(15.70, 36.86, -53.71)
CIE-LCH	lch(15.70, 65.14, 304.46°)
OKLab	oklab(28.95% 0.0104 -0.1554)
OKLCH	oklch(28.95% 0.156 273.8)
XYZ	xyz(3.9711, 2.0409, 17.3207)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1476 #6F7614

analogous

#143E76 #1B1476 #4C1476

triadic

#1B1476 #761B14 #14761B

tetradic

#1B1476 #76143E #6F7614 #14764C

square

#1B1476 #76143E #6F7614 #14764C

split-complementary

#1B1476 #764C14 #3E7614

monochromatic

#06041A #0F0B42 #1B1476 #271DAA #362ADB

Accessibility & contrast

On white

14.91

#1B1476 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1B1476 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1476

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1476	#FFFFFF	#000000	##FFFFFF
##1B1476	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C79

Deuteranopia (green-blind)

#002274

Tritanopia (blue-blind)

#003245

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1b1476;
/* rgb */ color: rgb(27, 20, 118);
/* oklch */ color: oklch(28.9% 0.156 273.8);

Tailwind

colors: {
  custom: {
    50: '#69549f',
    500: '#1b1476',
    950: '#000000',
  },
}

SCSS

$custom: #1b1476;
$custom-light: #69549f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1476",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 118
  },
  "hsl": {
    "h": 244.286,
    "s": 71.014,
    "l": 27.059
  },
  "oklch": {
    "l": 0.28947,
    "c": 0.15572,
    "h": 273.8
  },
  "luminance": 0.02041
}

Semantic roles & 50–950 ramp

primary

#1B1476

secondary

#A4AC3A

accent

#EE3AE1

background

#F6F5F9

surface

#ECE8F2

border

#C7C4CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1B1476

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

Preview Lab → · Contrast checker → · Palette generator →