#1B2285#1B2285

#1B2285 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.7% C 0.161 H 270.5°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#1B2285
RGB	rgb(27, 34, 133)
HSL	hsl(236, 66%, 31%)
HSV	hsv(236, 80%, 52%)
CMYK	cmyk(79.7%, 74.4%, 0%, 47.8%)
CIE-LAB	lab(20.32, 33.93, -55.62)
CIE-LCH	lch(20.32, 65.16, 301.39°)
OKLab	oklab(32.72% 0.0014 -0.1611)
OKLCH	oklch(32.72% 0.161 270.5)
XYZ	xyz(5.2562, 3.0699, 22.5013)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2285 #857E1B

analogous

#1B5785 #1B2285 #491B85

triadic

#1B2285 #851B22 #22851B

tetradic

#1B2285 #851B57 #857E1B #1B8549

square

#1B2285 #851B57 #857E1B #1B8549

split-complementary

#1B2285 #85491B #57851B

monochromatic

#06081F #111552 #1B2285 #252FB8 #424CD9

Accessibility & contrast

On white

13.01

#1B2285 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B2285 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2285

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2285	#FFFFFF	#000000	##FFFFFF
##1B2285	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003688

Deuteranopia (green-blind)

#002C83

Tritanopia (blue-blind)

#003E51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2285;
/* rgb */ color: rgb(27, 34, 133);
/* oklch */ color: oklch(32.7% 0.161 270.5);

Tailwind

colors: {
  custom: {
    50: '#6b5eaa',
    500: '#1b2285',
    950: '#000000',
  },
}

SCSS

$custom: #1b2285;
$custom-light: #6b5eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2285",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 133
  },
  "hsl": {
    "h": 236.038,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32724,
    "c": 0.16107,
    "h": 270.5
  },
  "luminance": 0.03071
}

Semantic roles & 50–950 ramp

primary

#1B2285

secondary

#B8B144

accent

#DE3FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B2285

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

Preview Lab → · Contrast checker → · Palette generator →