#191B6A#191B6A

#191B6A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.133 H 273.0°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#191B6A
RGB	rgb(25, 27, 106)
HSL	hsl(239, 62%, 26%)
HSV	hsv(239, 76%, 42%)
CMYK	cmyk(76.4%, 74.5%, 0%, 58.4%)
CIE-LAB	lab(15.65, 28.23, -46.01)
CIE-LCH	lch(15.65, 53.98, 301.53°)
OKLab	oklab(28.46% 0.0069 -0.1331)
OKLCH	oklch(28.46% 0.133 273)
XYZ	xyz(3.3935, 2.0308, 13.8460)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B6A #6A6819

analogous

#19436A #191B6A #3F196A

triadic

#191B6A #6A191B #1B6A19

tetradic

#191B6A #6A1943 #6A6819 #196A3F

square

#191B6A #6A1943 #6A6819 #196A3F

split-complementary

#191B6A #6A3F19 #436A19

monochromatic

#060619 #0D0E38 #191B6A #25289C #3034CD

Accessibility & contrast

On white

14.93

#191B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#191B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B6A

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B6A	#FFFFFF	#000000	##FFFFFF
##191B6A	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6C

Deuteranopia (green-blind)

#002369

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #191b6a;
/* rgb */ color: rgb(25, 27, 106);
/* oklch */ color: oklch(28.5% 0.133 273.0);

Tailwind

colors: {
  custom: {
    50: '#645896',
    500: '#191b6a',
    950: '#000000',
  },
}

SCSS

$custom: #191b6a;
$custom-light: #645896;
$custom-dark: #000000;

JSON

{
  "hex": "#191b6a",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 106
  },
  "hsl": {
    "h": 238.519,
    "s": 61.832,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28463,
    "c": 0.13326,
    "h": 273
  },
  "luminance": 0.02031
}

Semantic roles & 50–950 ramp

primary

#191B6A

secondary

#A09D3F

accent

#E143E5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #191B6A

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

Preview Lab → · Contrast checker → · Palette generator →