#1B2786#1B2786

#1B2786 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.157 H 269.6°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B2786
RGB	rgb(27, 39, 134)
HSL	hsl(233, 66%, 32%)
HSV	hsv(233, 80%, 53%)
CMYK	cmyk(79.9%, 70.9%, 0%, 47.5%)
CIE-LAB	lab(21.60, 31.09, -54.15)
CIE-LCH	lch(21.60, 62.44, 299.87°)
OKLab	oklab(33.67% -0.0012 -0.1568)
OKLCH	oklch(33.67% 0.157 269.6)
XYZ	xyz(5.4791, 3.4047, 22.9180)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2786 #867A1B

analogous

#1B5D86 #1B2786 #451B86

triadic

#1B2786 #861B27 #27861B

tetradic

#1B2786 #861B5D #867A1B #1B8645

square

#1B2786 #861B5D #867A1B #1B8645

split-complementary

#1B2786 #86451B #5D861B

monochromatic

#060920 #111853 #1B2786 #2536B9 #4253D9

Accessibility & contrast

On white

12.49

#1B2786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1B2786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2786

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2786	#FFFFFF	#000000	##FFFFFF
##1B2786	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003989

Deuteranopia (green-blind)

#002F84

Tritanopia (blue-blind)

#004153

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1b2786;
/* rgb */ color: rgb(27, 39, 134);
/* oklch */ color: oklch(33.7% 0.157 269.6);

Tailwind

colors: {
  custom: {
    50: '#6b61aa',
    500: '#1b2786',
    950: '#000000',
  },
}

SCSS

$custom: #1b2786;
$custom-light: #6b61aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2786",
  "rgb": {
    "r": 27,
    "g": 39,
    "b": 134
  },
  "hsl": {
    "h": 233.271,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33674,
    "c": 0.15678,
    "h": 269.6
  },
  "luminance": 0.03405
}

Semantic roles & 50–950 ramp

primary

#1B2786

secondary

#B9AC44

accent

#D63EE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1B2786

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

Preview Lab → · Contrast checker → · Palette generator →