#1B2D86#1B2D86

#1B2D86 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.150 H 268.3°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#1B2D86
RGB	rgb(27, 45, 134)
HSL	hsl(230, 66%, 32%)
HSV	hsv(230, 80%, 53%)
CMYK	cmyk(79.9%, 66.4%, 0%, 47.5%)
CIE-LAB	lab(23.10, 27.07, -51.67)
CIE-LCH	lch(23.10, 58.34, 297.65°)
OKLab	oklab(34.77% -0.0046 -0.1495)
OKLCH	oklch(34.77% 0.15 268.3)
XYZ	xyz(5.6920, 3.8304, 22.9890)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2D86 #86741B

analogous

#1B6386 #1B2D86 #3F1B86

triadic

#1B2D86 #861B2D #2D861B

tetradic

#1B2D86 #861B63 #86741B #1B863F

square

#1B2D86 #861B63 #86741B #1B863F

split-complementary

#1B2D86 #863F1B #63861B

monochromatic

#060B20 #111C53 #1B2D86 #253EB9 #425CD9

Accessibility & contrast

On white

11.89

#1B2D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1B2D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2D86

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2D86	#FFFFFF	#000000	##FFFFFF
##1B2D86	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C89

Deuteranopia (green-blind)

#003284

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b2d86;
/* rgb */ color: rgb(27, 45, 134);
/* oklch */ color: oklch(34.8% 0.150 268.3);

Tailwind

colors: {
  custom: {
    50: '#6a65aa',
    500: '#1b2d86',
    950: '#000000',
  },
}

SCSS

$custom: #1b2d86;
$custom-light: #6a65aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2d86",
  "rgb": {
    "r": 27,
    "g": 45,
    "b": 134
  },
  "hsl": {
    "h": 229.907,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34773,
    "c": 0.14959,
    "h": 268.3
  },
  "luminance": 0.03831
}

Semantic roles & 50–950 ramp

primary

#1B2D86

secondary

#B9A544

accent

#CD3EE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1B2D86

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

Preview Lab → · Contrast checker → · Palette generator →