#1B1967#1B1967

#1B1967 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.131 H 274.9°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B1967
RGB	rgb(27, 25, 103)
HSL	hsl(242, 61%, 25%)
HSV	hsv(242, 76%, 40%)
CMYK	cmyk(73.8%, 75.7%, 0%, 59.6%)
CIE-LAB	lab(14.99, 28.65, -45.11)
CIE-LCH	lch(14.99, 53.44, 302.42°)
OKLab	oklab(27.93% 0.0113 -0.1304)
OKLCH	oklch(27.93% 0.131 274.9)
XYZ	xyz(3.2470, 1.9072, 13.0264)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1967 #656719

analogous

#193E67 #1B1967 #421967

triadic

#1B1967 #671B19 #19671B

tetradic

#1B1967 #67193E #656719 #196742

square

#1B1967 #67193E #656719 #196742

split-complementary

#1B1967 #674219 #3E6719

monochromatic

#060619 #0E0D36 #1B1967 #282598 #3531C9

Accessibility & contrast

On white

15.20

#1B1967 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1B1967 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1967

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1967	#FFFFFF	#000000	##FFFFFF
##1B1967	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002969

Deuteranopia (green-blind)

#002266

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1b1967;
/* rgb */ color: rgb(27, 25, 103);
/* oklch */ color: oklch(27.9% 0.131 274.9);

Tailwind

colors: {
  custom: {
    50: '#645693',
    500: '#1b1967',
    950: '#000000',
  },
}

SCSS

$custom: #1b1967;
$custom-light: #645693;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1967",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 103
  },
  "hsl": {
    "h": 241.538,
    "s": 60.938,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27932,
    "c": 0.1309,
    "h": 274.9
  },
  "luminance": 0.01908
}

Semantic roles & 50–950 ramp

primary

#1B1967

secondary

#9A9D3F

accent

#E444E0

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1B1967

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

Preview Lab → · Contrast checker → · Palette generator →