#1B2886#1B2886

#1B2886 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.156 H 269.4°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#1B2886
RGB	rgb(27, 40, 134)
HSL	hsl(233, 66%, 32%)
HSV	hsv(233, 80%, 53%)
CMYK	cmyk(79.9%, 70.1%, 0%, 47.5%)
CIE-LAB	lab(21.84, 30.44, -53.75)
CIE-LCH	lch(21.84, 61.77, 299.52°)
OKLab	oklab(33.85% -0.0017 -0.1556)
OKLCH	oklch(33.85% 0.156 269.4)
XYZ	xyz(5.5124, 3.4712, 22.9291)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2886 #86791B

analogous

#1B5E86 #1B2886 #441B86

triadic

#1B2886 #861B28 #28861B

tetradic

#1B2886 #861B5E #86791B #1B8644

square

#1B2886 #861B5E #86791B #1B8644

split-complementary

#1B2886 #86441B #5E861B

monochromatic

#060A20 #111953 #1B2886 #2537B9 #4255D9

Accessibility & contrast

On white

12.39

#1B2886 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1B2886 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2886

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2886	#FFFFFF	#000000	##FFFFFF
##1B2886	1.00	12.39	1.69	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003989

Deuteranopia (green-blind)

#002F84

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1b2886;
/* rgb */ color: rgb(27, 40, 134);
/* oklch */ color: oklch(33.9% 0.156 269.4);

Tailwind

colors: {
  custom: {
    50: '#6b62aa',
    500: '#1b2886',
    950: '#000000',
  },
}

SCSS

$custom: #1b2886;
$custom-light: #6b62aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2886",
  "rgb": {
    "r": 27,
    "g": 40,
    "b": 134
  },
  "hsl": {
    "h": 232.71,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3385,
    "c": 0.15562,
    "h": 269.4
  },
  "luminance": 0.03472
}

Semantic roles & 50–950 ramp

primary

#1B2886

secondary

#B9AB44

accent

#D53EE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1B2886

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

Preview Lab → · Contrast checker → · Palette generator →