#1C199C#1C199C

#1C199C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.3% C 0.197 H 270.3°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#1C199C
RGB	rgb(28, 25, 156)
HSL	hsl(241, 72%, 35%)
HSV	hsv(241, 84%, 61%)
CMYK	cmyk(82.1%, 84%, 0%, 38.8%)
CIE-LAB	lab(21.36, 46.78, -68.18)
CIE-LCH	lch(21.36, 82.68, 304.45°)
OKLab	oklab(34.26% 0.0009 -0.1973)
OKLCH	oklch(34.26% 0.197 270.3)
XYZ	xyz(6.8252, 3.3416, 31.7313)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C199C #999C19

analogous

#19579C #1C199C #5D199C

triadic

#1C199C #9C1C19 #199C1C

tetradic

#1C199C #9C1957 #999C19 #199C5D

square

#1C199C #9C1957 #999C19 #199C5D

split-complementary

#1C199C #9C5D19 #579C19

monochromatic

#090833 #131167 #1C199C #2521D1 #504DE2

Accessibility & contrast

On white

12.59

#1C199C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1C199C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C199C

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C199C	#FFFFFF	#000000	##FFFFFF
##1C199C	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA0

Deuteranopia (green-blind)

#002C9A

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c199c;
/* rgb */ color: rgb(28, 25, 156);
/* oklch */ color: oklch(34.3% 0.197 270.3);

Tailwind

colors: {
  custom: {
    50: '#735abb',
    500: '#1c199c',
    950: '#000000',
  },
}

SCSS

$custom: #1c199c;
$custom-light: #735abb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c199c",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 156
  },
  "hsl": {
    "h": 241.374,
    "s": 72.376,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34261,
    "c": 0.19735,
    "h": 270.3
  },
  "luminance": 0.03342
}

Semantic roles & 50–950 ramp

primary

#1C199C

secondary

#C2C44C

accent

#EF39EB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C199C

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

Preview Lab → · Contrast checker → · Palette generator →