#1C1A9F#1C1A9F

#1C1A9F is a dark, highly saturated blue. Relative luminance 0.035; OKLCH L 34.7% C 0.200 H 270.0°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#1C1A9F
RGB	rgb(28, 26, 159)
HSL	hsl(241, 72%, 36%)
HSV	hsv(241, 84%, 62%)
CMYK	cmyk(82.4%, 83.6%, 0%, 37.6%)
CIE-LAB	lab(21.90, 47.25, -69.12)
CIE-LCH	lch(21.90, 83.73, 304.36°)
OKLab	oklab(34.74% 0.0001 -0.2001)
OKLCH	oklch(34.74% 0.2 270)
XYZ	xyz(7.1042, 3.4880, 33.0930)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1A9F #9D9F1A

analogous

#1A5B9F #1C1A9F #5F1A9F

triadic

#1C1A9F #9F1C1A #1A9F1C

tetradic

#1C1A9F #9F1A5B #9D9F1A #1A9F5F

square

#1C1A9F #9F1A5B #9D9F1A #1A9F5F

split-complementary

#1C1A9F #9F5F1A #5B9F1A

monochromatic

#090936 #13116A #1C1A9F #2523D4 #5351E3

Accessibility & contrast

On white

12.37

#1C1A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C1A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1A9F

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1A9F	#FFFFFF	#000000	##FFFFFF
##1C1A9F	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA3

Deuteranopia (green-blind)

#002D9D

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c1a9f;
/* rgb */ color: rgb(28, 26, 159);
/* oklch */ color: oklch(34.7% 0.200 270.0);

Tailwind

colors: {
  custom: {
    50: '#735bbd',
    500: '#1c1a9f',
    950: '#000000',
  },
}

SCSS

$custom: #1c1a9f;
$custom-light: #735bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1a9f",
  "rgb": {
    "r": 28,
    "g": 26,
    "b": 159
  },
  "hsl": {
    "h": 240.902,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34741,
    "c": 0.20009,
    "h": 270
  },
  "luminance": 0.03489
}

Semantic roles & 50–950 ramp

primary

#1C1A9F

secondary

#C3C550

accent

#EF39EC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C1A9F

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

Preview Lab → · Contrast checker → · Palette generator →