#1B2382#1B2382

#1B2382 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.156 H 270.5°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B2382
RGB	rgb(27, 35, 130)
HSL	hsl(235, 66%, 31%)
HSV	hsv(235, 79%, 51%)
CMYK	cmyk(79.2%, 73.1%, 0%, 49%)
CIE-LAB	lab(20.23, 32.20, -53.88)
CIE-LCH	lch(20.23, 62.77, 300.86°)
OKLab	oklab(32.56% 0.0013 -0.156)
OKLCH	oklch(32.56% 0.156 270.5)
XYZ	xyz(5.0809, 3.0462, 21.4350)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2382 #827A1B

analogous

#1B5682 #1B2382 #461B82

triadic

#1B2382 #821B23 #23821B

tetradic

#1B2382 #821B56 #827A1B #1B8246

square

#1B2382 #821B56 #827A1B #1B8246

split-complementary

#1B2382 #82461B #56821B

monochromatic

#06081D #10154F #1B2382 #2631B5 #404CD7

Accessibility & contrast

On white

13.05

#1B2382 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B2382 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2382

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2382	#FFFFFF	#000000	##FFFFFF
##1B2382	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003685

Deuteranopia (green-blind)

#002C80

Tritanopia (blue-blind)

#003E50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2382;
/* rgb */ color: rgb(27, 35, 130);
/* oklch */ color: oklch(32.6% 0.156 270.5);

Tailwind

colors: {
  custom: {
    50: '#6a5ea7',
    500: '#1b2382',
    950: '#000000',
  },
}

SCSS

$custom: #1b2382;
$custom-light: #6a5ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2382",
  "rgb": {
    "r": 27,
    "g": 35,
    "b": 130
  },
  "hsl": {
    "h": 235.34,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3256,
    "c": 0.15602,
    "h": 270.5
  },
  "luminance": 0.03047
}

Semantic roles & 50–950 ramp

primary

#1B2382

secondary

#B6AD43

accent

#DB3FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #1B2382

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

Preview Lab → · Contrast checker → · Palette generator →