#1B196A#1B196A

#1B196A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.135 H 274.6°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B196A
RGB	rgb(27, 25, 106)
HSL	hsl(241, 62%, 26%)
HSV	hsv(241, 76%, 42%)
CMYK	cmyk(74.5%, 76.4%, 0%, 58.4%)
CIE-LAB	lab(15.32, 29.74, -46.54)
CIE-LCH	lch(15.32, 55.23, 302.58°)
OKLab	oklab(28.27% 0.0107 -0.1346)
OKLCH	oklch(28.27% 0.135 274.6)
XYZ	xyz(3.4003, 1.9686, 13.8336)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B196A #686A19

analogous

#193F6A #1B196A #43196A

triadic

#1B196A #6A1B19 #196A1B

tetradic

#1B196A #6A193F #686A19 #196A43

square

#1B196A #6A193F #686A19 #196A43

split-complementary

#1B196A #6A4319 #3F6A19

monochromatic

#060619 #0E0D38 #1B196A #28259C #3430CD

Accessibility & contrast

On white

15.07

#1B196A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1B196A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B196A

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B196A	#FFFFFF	#000000	##FFFFFF
##1B196A	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6C

Deuteranopia (green-blind)

#002369

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1b196a;
/* rgb */ color: rgb(27, 25, 106);
/* oklch */ color: oklch(28.3% 0.135 274.6);

Tailwind

colors: {
  custom: {
    50: '#655796',
    500: '#1b196a',
    950: '#000000',
  },
}

SCSS

$custom: #1b196a;
$custom-light: #655796;
$custom-dark: #000000;

JSON

{
  "hex": "#1b196a",
  "rgb": {
    "r": 27,
    "g": 25,
    "b": 106
  },
  "hsl": {
    "h": 241.481,
    "s": 61.832,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28266,
    "c": 0.135,
    "h": 274.6
  },
  "luminance": 0.01969
}

Semantic roles & 50–950 ramp

primary

#1B196A

secondary

#9DA03F

accent

#E543E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1B196A

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

Preview Lab → · Contrast checker → · Palette generator →