#1B2482#1B2482

#1B2482 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.7% C 0.155 H 270.3°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B2482
RGB	rgb(27, 36, 130)
HSL	hsl(235, 66%, 31%)
HSV	hsv(235, 79%, 51%)
CMYK	cmyk(79.2%, 72.3%, 0%, 49%)
CIE-LAB	lab(20.46, 31.55, -53.50)
CIE-LCH	lch(20.46, 62.11, 300.53°)
OKLab	oklab(32.73% 0.0008 -0.1549)
OKLCH	oklch(32.73% 0.155 270.3)
XYZ	xyz(5.1108, 3.1059, 21.4449)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2482 #82791B

analogous

#1B5782 #1B2482 #451B82

triadic

#1B2482 #821B24 #24821B

tetradic

#1B2482 #821B57 #82791B #1B8245

square

#1B2482 #821B57 #82791B #1B8245

split-complementary

#1B2482 #82451B #57821B

monochromatic

#06081D #10164F #1B2482 #2632B5 #404DD7

Accessibility & contrast

On white

12.95

#1B2482 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1B2482 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2482

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2482	#FFFFFF	#000000	##FFFFFF
##1B2482	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	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: #1b2482;
/* rgb */ color: rgb(27, 36, 130);
/* oklch */ color: oklch(32.7% 0.155 270.3);

Tailwind

colors: {
  custom: {
    50: '#6a5fa7',
    500: '#1b2482',
    950: '#000000',
  },
}

SCSS

$custom: #1b2482;
$custom-light: #6a5fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2482",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 130
  },
  "hsl": {
    "h": 234.757,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32729,
    "c": 0.15488,
    "h": 270.3
  },
  "luminance": 0.03106
}

Semantic roles & 50–950 ramp

primary

#1B2482

secondary

#B6AC43

accent

#DA3FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #1B2482

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

Preview Lab → · Contrast checker → · Palette generator →