#1B1E85#1B1E85

#1B1E85 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.1% C 0.165 H 271.1°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#1B1E85
RGB	rgb(27, 30, 133)
HSL	hsl(238, 66%, 31%)
HSV	hsv(238, 80%, 52%)
CMYK	cmyk(79.7%, 77.4%, 0%, 47.8%)
CIE-LAB	lab(19.45, 36.38, -57.06)
CIE-LCH	lch(19.45, 67.67, 302.52°)
OKLab	oklab(32.1% 0.0031 -0.1652)
OKLCH	oklch(32.1% 0.165 271.1)
XYZ	xyz(5.1485, 2.8544, 22.4654)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1E85 #85821B

analogous

#1B5385 #1B1E85 #4D1B85

triadic

#1B1E85 #851B1E #1E851B

tetradic

#1B1E85 #851B53 #85821B #1B854D

square

#1B1E85 #851B53 #85821B #1B854D

split-complementary

#1B1E85 #854D1B #53851B

monochromatic

#06071F #111352 #1B1E85 #2529B8 #4246D9

Accessibility & contrast

On white

13.37

#1B1E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1B1E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1E85

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1E85	#FFFFFF	#000000	##FFFFFF
##1B1E85	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002A83

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b1e85;
/* rgb */ color: rgb(27, 30, 133);
/* oklch */ color: oklch(32.1% 0.165 271.1);

Tailwind

colors: {
  custom: {
    50: '#6c5baa',
    500: '#1b1e85',
    950: '#000000',
  },
}

SCSS

$custom: #1b1e85;
$custom-light: #6c5baa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1e85",
  "rgb": {
    "r": 27,
    "g": 30,
    "b": 133
  },
  "hsl": {
    "h": 238.302,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32104,
    "c": 0.16525,
    "h": 271.1
  },
  "luminance": 0.02855
}

Semantic roles & 50–950 ramp

primary

#1B1E85

secondary

#B8B544

accent

#E43FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B1E85

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

Preview Lab → · Contrast checker → · Palette generator →