#1C199F#1C199F

#1C199F is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.6% C 0.201 H 270.1°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C199F
RGB	rgb(28, 25, 159)
HSL	hsl(241, 73%, 36%)
HSV	hsv(241, 84%, 62%)
CMYK	cmyk(82.4%, 84.3%, 0%, 37.6%)
CIE-LAB	lab(21.74, 47.72, -69.39)
CIE-LCH	lch(21.74, 84.21, 304.52°)
OKLab	oklab(34.63% 0.0002 -0.2008)
OKLCH	oklch(34.63% 0.201 270.1)
XYZ	xyz(7.0824, 3.4445, 33.0857)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C199F #9C9F19

analogous

#19599F #1C199F #5F199F

triadic

#1C199F #9F1C19 #199F1C

tetradic

#1C199F #9F1959 #9C9F19 #199F5F

square

#1C199F #9F1959 #9C9F19 #199F5F

split-complementary

#1C199F #9F5F19 #599F19

monochromatic

#090835 #13116A #1C199F #2521D4 #524FE3

Accessibility & contrast

On white

12.43

#1C199F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C199F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C199F

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C199F	#FFFFFF	#000000	##FFFFFF
##1C199F	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	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: #1c199f;
/* rgb */ color: rgb(28, 25, 159);
/* oklch */ color: oklch(34.6% 0.201 270.1);

Tailwind

colors: {
  custom: {
    50: '#735abd',
    500: '#1c199f',
    950: '#000000',
  },
}

SCSS

$custom: #1c199f;
$custom-light: #735abd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c199f",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 159
  },
  "hsl": {
    "h": 241.343,
    "s": 72.826,
    "l": 36.078
  },
  "oklch": {
    "l": 0.34632,
    "c": 0.20083,
    "h": 270.1
  },
  "luminance": 0.03445
}

Semantic roles & 50–950 ramp

primary

#1C199F

secondary

#C3C64E

accent

#F038EB

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C199F

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

Preview Lab → · Contrast checker → · Palette generator →