#1B2986#1B2986

#1B2986 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.154 H 269.2°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#1B2986
RGB	rgb(27, 41, 134)
HSL	hsl(232, 66%, 32%)
HSV	hsv(232, 80%, 53%)
CMYK	cmyk(79.9%, 69.4%, 0%, 47.5%)
CIE-LAB	lab(22.09, 29.77, -53.34)
CIE-LCH	lch(22.09, 61.09, 299.17°)
OKLab	oklab(34.03% -0.0022 -0.1544)
OKLCH	oklch(34.03% 0.154 269.2)
XYZ	xyz(5.5465, 3.5395, 22.9405)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2986 #86781B

analogous

#1B5F86 #1B2986 #431B86

triadic

#1B2986 #861B29 #29861B

tetradic

#1B2986 #861B5F #86781B #1B8643

square

#1B2986 #861B5F #86781B #1B8643

split-complementary

#1B2986 #86431B #5F861B

monochromatic

#060A20 #111953 #1B2986 #2539B9 #4256D9

Accessibility & contrast

On white

12.30

#1B2986 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1B2986 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2986

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2986	#FFFFFF	#000000	##FFFFFF
##1B2986	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A89

Deuteranopia (green-blind)

#003084

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1b2986;
/* rgb */ color: rgb(27, 41, 134);
/* oklch */ color: oklch(34.0% 0.154 269.2);

Tailwind

colors: {
  custom: {
    50: '#6b63aa',
    500: '#1b2986',
    950: '#000000',
  },
}

SCSS

$custom: #1b2986;
$custom-light: #6b63aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2986",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 134
  },
  "hsl": {
    "h": 232.15,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3403,
    "c": 0.15444,
    "h": 269.2
  },
  "luminance": 0.0354
}

Semantic roles & 50–950 ramp

primary

#1B2986

secondary

#B9AA44

accent

#D33EE9

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1B2986

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

Preview Lab → · Contrast checker → · Palette generator →