#1A1C9F#1A1C9F

#1A1C9F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.199 H 269.3°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#1A1C9F
RGB	rgb(26, 28, 159)
HSL	hsl(239, 72%, 36%)
HSV	hsv(239, 84%, 62%)
CMYK	cmyk(83.6%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(22.13, 46.18, -68.74)
CIE-LCH	lch(22.13, 82.81, 303.89°)
OKLab	oklab(34.88% -0.0024 -0.1991)
OKLCH	oklch(34.88% 0.199 269.3)
XYZ	xyz(7.0971, 3.5525, 33.1058)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1C9F #9F9D1A

analogous

#1A5F9F #1A1C9F #5B1A9F

triadic

#1A1C9F #9F1A1C #1C9F1A

tetradic

#1A1C9F #9F1A5F #9F9D1A #1A9F5B

square

#1A1C9F #9F1A5F #9F9D1A #1A9F5B

split-complementary

#1A1C9F #9F5B1A #5F9F1A

monochromatic

#090936 #11136A #1A1C9F #2325D4 #5153E3

Accessibility & contrast

On white

12.28

#1A1C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1A1C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1C9F

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1C9F	#FFFFFF	#000000	##FFFFFF
##1A1C9F	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA3

Deuteranopia (green-blind)

#002E9D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a1c9f;
/* rgb */ color: rgb(26, 28, 159);
/* oklch */ color: oklch(34.9% 0.199 269.3);

Tailwind

colors: {
  custom: {
    50: '#735cbd',
    500: '#1a1c9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a1c9f;
$custom-light: #735cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1c9f",
  "rgb": {
    "r": 26,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 239.098,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34875,
    "c": 0.19908,
    "h": 269.3
  },
  "luminance": 0.03553
}

Semantic roles & 50–950 ramp

primary

#1A1C9F

secondary

#C5C350

accent

#EC39EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A1C9F

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

Preview Lab → · Contrast checker → · Palette generator →