#1B1985#1B1985

#1B1985 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.170 H 271.7°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B1985
RGB	rgb(27, 25, 133)
HSL	hsl(241, 68%, 31%)
HSV	hsv(241, 81%, 52%)
CMYK	cmyk(79.7%, 81.2%, 0%, 47.8%)
CIE-LAB	lab(18.46, 39.22, -58.70)
CIE-LCH	lch(18.46, 70.60, 303.75°)
OKLab	oklab(31.41% 0.005 -0.1699)
OKLCH	oklch(31.41% 0.17 271.7)
XYZ	xyz(5.0318, 2.6212, 22.4265)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1985 #838519

analogous

#194D85 #1B1985 #511985

triadic

#1B1985 #851B19 #19851B

tetradic

#1B1985 #85194D #838519 #198551

square

#1B1985 #85194D #838519 #198551

split-complementary

#1B1985 #855119 #4D8519

monochromatic

#06061E #110F51 #1B1985 #2523B9 #413EDB

Accessibility & contrast

On white

13.78

#1B1985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1B1985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1985

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1985	#FFFFFF	#000000	##FFFFFF
##1B1985	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003288

Deuteranopia (green-blind)

#002783

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b1985;
/* rgb */ color: rgb(27, 25, 133);
/* oklch */ color: oklch(31.4% 0.170 271.7);

Tailwind

colors: {
  custom: {
    50: '#6c58aa',
    500: '#1b1985',
    950: '#000000',
  },
}

SCSS

$custom: #1b1985;
$custom-light: #6c58aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1985",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 133
  },
  "hsl": {
    "h": 241.111,
    "s": 68.354,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31405,
    "c": 0.16999,
    "h": 271.7
  },
  "luminance": 0.02622
}

Semantic roles & 50–950 ramp

primary

#1B1985

secondary

#B6B941

accent

#EB3DE8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1B1985

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

Preview Lab → · Contrast checker → · Palette generator →