#1C198C#1C198C

#1C198C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.178 H 271.5°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C198C
RGB	rgb(28, 25, 140)
HSL	hsl(242, 70%, 32%)
HSV	hsv(242, 82%, 55%)
CMYK	cmyk(80%, 82.1%, 0%, 45.1%)
CIE-LAB	lab(19.37, 41.62, -61.58)
CIE-LCH	lch(19.37, 74.33, 304.05°)
OKLab	oklab(32.31% 0.0046 -0.1782)
OKLCH	oklch(32.31% 0.178 271.5)
XYZ	xyz(5.5585, 2.8350, 25.0601)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C198C #898C19

analogous

#19508C #1C198C #55198C

triadic

#1C198C #8C1C19 #198C1C

tetradic

#1C198C #8C1950 #898C19 #198C55

square

#1C198C #8C1950 #898C19 #198C55

split-complementary

#1C198C #8C5519 #508C19

monochromatic

#070624 #121058 #1C198C #2622C0 #4642DD

Accessibility & contrast

On white

13.40

#1C198C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C198C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C198C

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C198C	#FFFFFF	#000000	##FFFFFF
##1C198C	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358F

Deuteranopia (green-blind)

#00298A

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c198c;
/* rgb */ color: rgb(28, 25, 140);
/* oklch */ color: oklch(32.3% 0.178 271.5);

Tailwind

colors: {
  custom: {
    50: '#6e59af',
    500: '#1c198c',
    950: '#000000',
  },
}

SCSS

$custom: #1c198c;
$custom-light: #6e59af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c198c",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 140
  },
  "hsl": {
    "h": 241.565,
    "s": 69.697,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32305,
    "c": 0.17831,
    "h": 271.5
  },
  "luminance": 0.02836
}

Semantic roles & 50–950 ramp

primary

#1C198C

secondary

#BBBE43

accent

#ED3BE8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C198C

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

Preview Lab → · Contrast checker → · Palette generator →