#1B2A86#1B2A86

#1B2A86 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.153 H 269.0°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B2A86
RGB	rgb(27, 42, 134)
HSL	hsl(232, 66%, 32%)
HSV	hsv(232, 80%, 53%)
CMYK	cmyk(79.9%, 68.7%, 0%, 47.5%)
CIE-LAB	lab(22.34, 29.11, -52.93)
CIE-LCH	lch(22.34, 60.41, 298.80°)
OKLab	oklab(34.21% -0.0028 -0.1532)
OKLCH	oklch(34.21% 0.153 269)
XYZ	xyz(5.5816, 3.6095, 22.9522)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2A86 #86771B

analogous

#1B6086 #1B2A86 #421B86

triadic

#1B2A86 #861B2A #2A861B

tetradic

#1B2A86 #861B60 #86771B #1B8642

square

#1B2A86 #861B60 #86771B #1B8642

split-complementary

#1B2A86 #86421B #60861B

monochromatic

#060A20 #111A53 #1B2A86 #253AB9 #4258D9

Accessibility & contrast

On white

12.20

#1B2A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1B2A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2A86

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2A86	#FFFFFF	#000000	##FFFFFF
##1B2A86	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B89

Deuteranopia (green-blind)

#003084

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1b2a86;
/* rgb */ color: rgb(27, 42, 134);
/* oklch */ color: oklch(34.2% 0.153 269.0);

Tailwind

colors: {
  custom: {
    50: '#6b63aa',
    500: '#1b2a86',
    950: '#000000',
  },
}

SCSS

$custom: #1b2a86;
$custom-light: #6b63aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2a86",
  "rgb": {
    "r": 27,
    "g": 42,
    "b": 134
  },
  "hsl": {
    "h": 231.589,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34211,
    "c": 0.15325,
    "h": 269
  },
  "luminance": 0.0361
}

Semantic roles & 50–950 ramp

primary

#1B2A86

secondary

#B9A944

accent

#D13EE9

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1B2A86

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

Preview Lab → · Contrast checker → · Palette generator →