#1B2286#1B2286

#1B2286 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.162 H 270.4°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B2286
RGB	rgb(27, 34, 134)
HSL	hsl(236, 66%, 32%)
HSV	hsv(236, 80%, 53%)
CMYK	cmyk(79.9%, 74.6%, 0%, 47.5%)
CIE-LAB	lab(20.43, 34.30, -56.07)
CIE-LCH	lch(20.43, 65.73, 301.45°)
OKLab	oklab(32.84% 0.0013 -0.1624)
OKLCH	oklch(32.84% 0.162 270.4)
XYZ	xyz(5.3256, 3.0977, 22.8669)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2286 #867F1B

analogous

#1B5886 #1B2286 #4A1B86

triadic

#1B2286 #861B22 #22861B

tetradic

#1B2286 #861B58 #867F1B #1B864A

square

#1B2286 #861B58 #867F1B #1B864A

split-complementary

#1B2286 #864A1B #58861B

monochromatic

#060820 #111553 #1B2286 #252FB9 #424CD9

Accessibility & contrast

On white

12.97

#1B2286 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1B2286 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2286

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2286	#FFFFFF	#000000	##FFFFFF
##1B2286	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003689

Deuteranopia (green-blind)

#002C84

Tritanopia (blue-blind)

#003F52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2286;
/* rgb */ color: rgb(27, 34, 134);
/* oklch */ color: oklch(32.8% 0.162 270.4);

Tailwind

colors: {
  custom: {
    50: '#6c5eaa',
    500: '#1b2286',
    950: '#000000',
  },
}

SCSS

$custom: #1b2286;
$custom-light: #6c5eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2286",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 134
  },
  "hsl": {
    "h": 236.075,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32835,
    "c": 0.16237,
    "h": 270.4
  },
  "luminance": 0.03098
}

Semantic roles & 50–950 ramp

primary

#1B2286

secondary

#B9B244

accent

#DE3EE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B2286

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

Preview Lab → · Contrast checker → · Palette generator →