#191D99#191D99

#191D99 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.191 H 269.3°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#191D99
RGB	rgb(25, 29, 153)
HSL	hsl(238, 72%, 35%)
HSV	hsv(238, 84%, 60%)
CMYK	cmyk(83.7%, 81%, 0%, 40%)
CIE-LAB	lab(21.52, 43.66, -66.08)
CIE-LCH	lch(21.52, 79.20, 303.45°)
OKLab	oklab(34.22% -0.0025 -0.1914)
OKLCH	oklch(34.22% 0.191 269.3)
XYZ	xyz(6.5881, 3.3845, 30.4369)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D99 #999519

analogous

#195D99 #191D99 #551999

triadic

#191D99 #99191D #1D9919

tetradic

#191D99 #99195D #999519 #199955

square

#191D99 #99195D #999519 #199955

split-complementary

#191D99 #995519 #5D9919

monochromatic

#080930 #101364 #191D99 #2227CE #4B50E2

Accessibility & contrast

On white

12.52

#191D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#191D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D99

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D99	#FFFFFF	#000000	##FFFFFF
##191D99	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9C

Deuteranopia (green-blind)

#002D97

Tritanopia (blue-blind)

#00445B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #191d99;
/* rgb */ color: rgb(25, 29, 153);
/* oklch */ color: oklch(34.2% 0.191 269.3);

Tailwind

colors: {
  custom: {
    50: '#715cb8',
    500: '#191d99',
    950: '#000000',
  },
}

SCSS

$custom: #191d99;
$custom-light: #715cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#191d99",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 153
  },
  "hsl": {
    "h": 238.125,
    "s": 71.91,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34224,
    "c": 0.19141,
    "h": 269.3
  },
  "luminance": 0.03385
}

Semantic roles & 50–950 ramp

primary

#191D99

secondary

#C3C04A

accent

#E939EF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090412

muted

#7B7981

Preview Lab

Preview with #191D99

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

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