#1B2487#1B2487

#1B2487 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.3% C 0.162 H 270.1°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B2487
RGB	rgb(27, 36, 135)
HSL	hsl(235, 67%, 32%)
HSV	hsv(235, 80%, 53%)
CMYK	cmyk(80%, 73.3%, 0%, 47.1%)
CIE-LAB	lab(20.99, 33.41, -55.77)
CIE-LCH	lch(20.99, 65.01, 300.92°)
OKLab	oklab(33.27% 0.0002 -0.1615)
OKLCH	oklch(33.27% 0.162 270.1)
XYZ	xyz(5.4546, 3.2434, 23.2555)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2487 #877E1B

analogous

#1B5A87 #1B2487 #481B87

triadic

#1B2487 #871B24 #24871B

tetradic

#1B2487 #871B5A #877E1B #1B8748

square

#1B2487 #871B5A #877E1B #1B8748

split-complementary

#1B2487 #87481B #5A871B

monochromatic

#070921 #111654 #1B2487 #2532BA #4350D9

Accessibility & contrast

On white

12.74

#1B2487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1B2487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2487

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2487	#FFFFFF	#000000	##FFFFFF
##1B2487	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388A

Deuteranopia (green-blind)

#002D85

Tritanopia (blue-blind)

#004053

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b2487;
/* rgb */ color: rgb(27, 36, 135);
/* oklch */ color: oklch(33.3% 0.162 270.1);

Tailwind

colors: {
  custom: {
    50: '#6c5fab',
    500: '#1b2487',
    950: '#000000',
  },
}

SCSS

$custom: #1b2487;
$custom-light: #6c5fab;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2487",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 135
  },
  "hsl": {
    "h": 235,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3327,
    "c": 0.1615,
    "h": 270.1
  },
  "luminance": 0.03244
}

Semantic roles & 50–950 ramp

primary

#1B2487

secondary

#BAB044

accent

#DB3EEA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B2487

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

Preview Lab → · Contrast checker → · Palette generator →