#1B2C86#1B2C86

#1B2C86 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.151 H 268.5°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#1B2C86
RGB	rgb(27, 44, 134)
HSL	hsl(230, 66%, 32%)
HSV	hsv(230, 80%, 53%)
CMYK	cmyk(79.9%, 67.2%, 0%, 47.5%)
CIE-LAB	lab(22.84, 27.75, -52.10)
CIE-LCH	lch(22.84, 59.03, 298.05°)
OKLab	oklab(34.58% -0.004 -0.1508)
OKLCH	oklch(34.58% 0.151 268.5)
XYZ	xyz(5.6543, 3.7550, 22.9764)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2C86 #86751B

analogous

#1B6286 #1B2C86 #401B86

triadic

#1B2C86 #861B2C #2C861B

tetradic

#1B2C86 #861B62 #86751B #1B8640

square

#1B2C86 #861B62 #86751B #1B8640

split-complementary

#1B2C86 #86401B #62861B

monochromatic

#060B20 #111B53 #1B2C86 #253DB9 #425AD9

Accessibility & contrast

On white

11.99

#1B2C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1B2C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2C86

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2C86	#FFFFFF	#000000	##FFFFFF
##1B2C86	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C89

Deuteranopia (green-blind)

#003284

Tritanopia (blue-blind)

#004455

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b2c86;
/* rgb */ color: rgb(27, 44, 134);
/* oklch */ color: oklch(34.6% 0.151 268.5);

Tailwind

colors: {
  custom: {
    50: '#6b65aa',
    500: '#1b2c86',
    950: '#000000',
  },
}

SCSS

$custom: #1b2c86;
$custom-light: #6b65aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2c86",
  "rgb": {
    "r": 27,
    "g": 44,
    "b": 134
  },
  "hsl": {
    "h": 230.467,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34583,
    "c": 0.15082,
    "h": 268.5
  },
  "luminance": 0.03756
}

Semantic roles & 50–950 ramp

primary

#1B2C86

secondary

#B9A744

accent

#CE3EE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1B2C86

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

Preview Lab → · Contrast checker → · Palette generator →