#191C8B#191C8B

#191C8B is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.175 H 270.2°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#191C8B
RGB	rgb(25, 28, 139)
HSL	hsl(238, 70%, 32%)
HSV	hsv(238, 82%, 55%)
CMYK	cmyk(82%, 79.9%, 0%, 45.5%)
CIE-LAB	lab(19.64, 39.47, -60.51)
CIE-LCH	lch(19.64, 72.25, 303.12°)
OKLab	oklab(32.42% 0.0005 -0.1753)
OKLCH	oklch(32.42% 0.175 270.2)
XYZ	xyz(5.4748, 2.9006, 24.6924)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C8B #8B8819

analogous

#19558B #191C8B #4F198B

triadic

#191C8B #8B191C #1C8B19

tetradic

#191C8B #8B1955 #8B8819 #198B4F

square

#191C8B #8B1955 #8B8819 #198B4F

split-complementary

#191C8B #8B4F19 #558B19

monochromatic

#060723 #101257 #191C8B #2226BF #4146DD

Accessibility & contrast

On white

13.29

#191C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#191C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C8B

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C8B	#FFFFFF	#000000	##FFFFFF
##191C8B	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358E

Deuteranopia (green-blind)

#002A89

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #191c8b;
/* rgb */ color: rgb(25, 28, 139);
/* oklch */ color: oklch(32.4% 0.175 270.2);

Tailwind

colors: {
  custom: {
    50: '#6d5aae',
    500: '#191c8b',
    950: '#000000',
  },
}

SCSS

$custom: #191c8b;
$custom-light: #6d5aae;
$custom-dark: #000000;

JSON

{
  "hex": "#191c8b",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 139
  },
  "hsl": {
    "h": 238.421,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32415,
    "c": 0.17526,
    "h": 270.2
  },
  "luminance": 0.02901
}

Semantic roles & 50–950 ramp

primary

#191C8B

secondary

#BEBA42

accent

#E83BEC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #191C8B

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

Preview Lab → · Contrast checker → · Palette generator →