#1A186C#1A186C

#1A186C is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.139 H 273.9°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#1A186C
RGB	rgb(26, 24, 108)
HSL	hsl(241, 64%, 26%)
HSV	hsv(241, 78%, 42%)
CMYK	cmyk(75.9%, 77.8%, 0%, 57.6%)
CIE-LAB	lab(15.25, 30.99, -47.97)
CIE-LCH	lch(15.25, 57.11, 302.86°)
OKLab	oklab(28.26% 0.0096 -0.1388)
OKLCH	oklch(28.26% 0.139 273.9)
XYZ	xyz(3.4585, 1.9552, 14.3796)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A186C #6A6C18

analogous

#18406C #1A186C #44186C

triadic

#1A186C #6C1A18 #186C1A

tetradic

#1A186C #6C1840 #6A6C18 #186C44

square

#1A186C #6C1840 #6A6C18 #186C44

split-complementary

#1A186C #6C4418 #406C18

monochromatic

#060619 #0E0D3A #1A186C #26239E #322ED0

Accessibility & contrast

On white

15.09

#1A186C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1A186C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A186C

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A186C	#FFFFFF	#000000	##FFFFFF
##1A186C	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6E

Deuteranopia (green-blind)

#00226A

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1a186c;
/* rgb */ color: rgb(26, 24, 108);
/* oklch */ color: oklch(28.3% 0.139 273.9);

Tailwind

colors: {
  custom: {
    50: '#655697',
    500: '#1a186c',
    950: '#000000',
  },
}

SCSS

$custom: #1a186c;
$custom-light: #655697;
$custom-dark: #000000;

JSON

{
  "hex": "#1a186c",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 108
  },
  "hsl": {
    "h": 241.429,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28263,
    "c": 0.13908,
    "h": 273.9
  },
  "luminance": 0.01956
}

Semantic roles & 50–950 ramp

primary

#1A186C

secondary

#9FA23E

accent

#E741E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A186C

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

Preview Lab → · Contrast checker → · Palette generator →