#1B2485#1B2485

#1B2485 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.159 H 270.2°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B2485
RGB	rgb(27, 36, 133)
HSL	hsl(235, 66%, 31%)
HSV	hsv(235, 80%, 52%)
CMYK	cmyk(79.7%, 72.9%, 0%, 47.8%)
CIE-LAB	lab(20.78, 32.67, -54.86)
CIE-LCH	lch(20.78, 63.85, 300.77°)
OKLab	oklab(33.05% 0.0005 -0.1589)
OKLCH	oklch(33.05% 0.159 270.2)
XYZ	xyz(5.3151, 3.1876, 22.5209)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2485 #857C1B

analogous

#1B5985 #1B2485 #471B85

triadic

#1B2485 #851B24 #24851B

tetradic

#1B2485 #851B59 #857C1B #1B8547

square

#1B2485 #851B59 #857C1B #1B8547

split-complementary

#1B2485 #85471B #59851B

monochromatic

#06081F #111652 #1B2485 #2532B8 #424FD9

Accessibility & contrast

On white

12.82

#1B2485 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1B2485 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2485

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2485	#FFFFFF	#000000	##FFFFFF
##1B2485	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003788

Deuteranopia (green-blind)

#002D83

Tritanopia (blue-blind)

#003F52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b2485;
/* rgb */ color: rgb(27, 36, 133);
/* oklch */ color: oklch(33.1% 0.159 270.2);

Tailwind

colors: {
  custom: {
    50: '#6b5faa',
    500: '#1b2485',
    950: '#000000',
  },
}

SCSS

$custom: #1b2485;
$custom-light: #6b5faa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2485",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 133
  },
  "hsl": {
    "h": 234.906,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33053,
    "c": 0.15887,
    "h": 270.2
  },
  "luminance": 0.03188
}

Semantic roles & 50–950 ramp

primary

#1B2485

secondary

#B8AE44

accent

#DB3FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B2485

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

Preview Lab → · Contrast checker → · Palette generator →