#1B198C#1B198C

#1B198C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.179 H 271.1°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B198C
RGB	rgb(27, 25, 140)
HSL	hsl(241, 70%, 32%)
HSV	hsv(241, 82%, 55%)
CMYK	cmyk(80.7%, 82.1%, 0%, 45.1%)
CIE-LAB	lab(19.31, 41.55, -61.68)
CIE-LCH	lch(19.31, 74.37, 303.97°)
OKLab	oklab(32.25% 0.0034 -0.1785)
OKLCH	oklch(32.25% 0.179 271.1)
XYZ	xyz(5.5316, 2.8211, 25.0588)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B198C #8A8C19

analogous

#19518C #1B198C #54198C

triadic

#1B198C #8C1B19 #198C1B

tetradic

#1B198C #8C1951 #8A8C19 #198C54

square

#1B198C #8C1951 #8A8C19 #198C54

split-complementary

#1B198C #8C5419 #518C19

monochromatic

#070624 #111058 #1B198C #2522C0 #4542DD

Accessibility & contrast

On white

13.42

#1B198C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1B198C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B198C

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B198C	#FFFFFF	#000000	##FFFFFF
##1B198C	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#00298A

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b198c;
/* rgb */ color: rgb(27, 25, 140);
/* oklch */ color: oklch(32.2% 0.179 271.1);

Tailwind

colors: {
  custom: {
    50: '#6e59af',
    500: '#1b198c',
    950: '#000000',
  },
}

SCSS

$custom: #1b198c;
$custom-light: #6e59af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b198c",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 140
  },
  "hsl": {
    "h": 241.043,
    "s": 69.697,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32249,
    "c": 0.17858,
    "h": 271.1
  },
  "luminance": 0.02822
}

Semantic roles & 50–950 ramp

primary

#1B198C

secondary

#BCBE43

accent

#ED3BE9

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #1B198C

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

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