#1A166C#1A166C

#1A166C is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.141 H 274.3°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#1A166C
RGB	rgb(26, 22, 108)
HSL	hsl(243, 66%, 25%)
HSV	hsv(243, 80%, 42%)
CMYK	cmyk(75.9%, 79.6%, 0%, 57.6%)
CIE-LAB	lab(14.82, 32.20, -48.68)
CIE-LCH	lch(14.82, 58.36, 303.48°)
OKLab	oklab(27.96% 0.0106 -0.1408)
OKLCH	oklch(27.96% 0.141 274.3)
XYZ	xyz(3.4188, 1.8758, 14.3663)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A166C #686C16

analogous

#163D6C #1A166C #45166C

triadic

#1A166C #6C1A16 #166C1A

tetradic

#1A166C #6C163D #686C16 #166C45

square

#1A166C #6C163D #686C16 #166C45

split-complementary

#1A166C #6C4516 #3D6C16

monochromatic

#060519 #0E0C39 #1A166C #26209F #322BD2

Accessibility & contrast

On white

15.27

#1A166C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1A166C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A166C

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A166C	#FFFFFF	#000000	##FFFFFF
##1A166C	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296E

Deuteranopia (green-blind)

#00216A

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1a166c;
/* rgb */ color: rgb(26, 22, 108);
/* oklch */ color: oklch(28.0% 0.141 274.3);

Tailwind

colors: {
  custom: {
    50: '#655597',
    500: '#1a166c',
    950: '#000000',
  },
}

SCSS

$custom: #1a166c;
$custom-light: #655597;
$custom-dark: #000000;

JSON

{
  "hex": "#1a166c",
  "rgb": {
    "r": 26,
    "g": 22,
    "b": 108
  },
  "hsl": {
    "h": 242.791,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.2796,
    "c": 0.1412,
    "h": 274.3
  },
  "luminance": 0.01876
}

Semantic roles & 50–950 ramp

primary

#1A166C

secondary

#9DA23C

accent

#E93FE1

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A166C

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

Preview Lab → · Contrast checker → · Palette generator →