#1B418A#1B418A

#1B418A is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.130 H 261.8°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B418A
RGB	rgb(27, 65, 138)
HSL	hsl(219, 67%, 32%)
HSV	hsv(219, 80%, 54%)
CMYK	cmyk(80.4%, 52.9%, 0%, 45.9%)
CIE-LAB	lab(29.03, 14.79, -44.52)
CIE-LCH	lch(29.03, 46.91, 288.38°)
OKLab	oklab(39.32% -0.0185 -0.1282)
OKLCH	oklch(39.32% 0.13 261.8)
XYZ	xyz(6.9281, 5.8478, 24.8034)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B418A #8A641B

analogous

#1B798A #1B418A #2C1B8A

triadic

#1B418A #8A1B41 #418A1B

tetradic

#1B418A #8A1B79 #8A641B #1B8A2C

square

#1B418A #8A1B79 #8A641B #1B8A2C

split-complementary

#1B418A #8A2C1B #798A1B

monochromatic

#071124 #112957 #1B418A #2559BD #4578DB

Accessibility & contrast

On white

9.68

#1B418A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1B418A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B418A

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B418A	#FFFFFF	#000000	##FFFFFF
##1B418A	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104A8D

Deuteranopia (green-blind)

#004089

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b418a;
/* rgb */ color: rgb(27, 65, 138);
/* oklch */ color: oklch(39.3% 0.130 261.8);

Tailwind

colors: {
  custom: {
    50: '#6a75ad',
    500: '#1b418a',
    950: '#000000',
  },
}

SCSS

$custom: #1b418a;
$custom-light: #6a75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b418a",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 138
  },
  "hsl": {
    "h": 219.459,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39316,
    "c": 0.12952,
    "h": 261.8
  },
  "luminance": 0.05849
}

Semantic roles & 50–950 ramp

primary

#1B418A

secondary

#BC9345

accent

#AF3EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1B418A

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

Preview Lab → · Contrast checker → · Palette generator →