#1B2186#1B2186

#1B2186 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.163 H 270.6°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#1B2186
RGB	rgb(27, 33, 134)
HSL	hsl(237, 66%, 32%)
HSV	hsv(237, 80%, 53%)
CMYK	cmyk(79.9%, 75.4%, 0%, 47.5%)
CIE-LAB	lab(20.21, 34.92, -56.44)
CIE-LCH	lch(20.21, 66.36, 301.75°)
OKLab	oklab(32.68% 0.0017 -0.1634)
OKLCH	oklch(32.68% 0.163 270.6)
XYZ	xyz(5.2975, 3.0414, 22.8575)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2186 #86801B

analogous

#1B5786 #1B2186 #4B1B86

triadic

#1B2186 #861B21 #21861B

tetradic

#1B2186 #861B57 #86801B #1B864B

square

#1B2186 #861B57 #86801B #1B864B

split-complementary

#1B2186 #864B1B #57861B

monochromatic

#060820 #111453 #1B2186 #252EB9 #424BD9

Accessibility & contrast

On white

13.06

#1B2186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B2186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2186

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2186	#FFFFFF	#000000	##FFFFFF
##1B2186	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003689

Deuteranopia (green-blind)

#002B84

Tritanopia (blue-blind)

#003E51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2186;
/* rgb */ color: rgb(27, 33, 134);
/* oklch */ color: oklch(32.7% 0.163 270.6);

Tailwind

colors: {
  custom: {
    50: '#6c5daa',
    500: '#1b2186',
    950: '#000000',
  },
}

SCSS

$custom: #1b2186;
$custom-light: #6c5daa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2186",
  "rgb": {
    "r": 27,
    "g": 33,
    "b": 134
  },
  "hsl": {
    "h": 236.636,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32676,
    "c": 0.16344,
    "h": 270.6
  },
  "luminance": 0.03042
}

Semantic roles & 50–950 ramp

primary

#1B2186

secondary

#B9B344

accent

#E03EE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B2186

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

Preview Lab → · Contrast checker → · Palette generator →