#191D79#191D79

#191D79 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.151 H 271.3°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#191D79
RGB	rgb(25, 29, 121)
HSL	hsl(238, 66%, 29%)
HSV	hsv(238, 79%, 47%)
CMYK	cmyk(79.3%, 76%, 0%, 52.5%)
CIE-LAB	lab(17.76, 32.50, -52.23)
CIE-LCH	lch(17.76, 61.52, 301.89°)
OKLab	oklab(30.47% 0.0034 -0.1512)
OKLCH	oklch(30.47% 0.151 271.3)
XYZ	xyz(4.2903, 2.4654, 18.3352)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D79 #797519

analogous

#194D79 #191D79 #451979

triadic

#191D79 #79191D #1D7919

tetradic

#191D79 #79194D #797519 #197945

square

#191D79 #79194D #797519 #197945

split-complementary

#191D79 #794519 #4D7919

monochromatic

#050619 #0F1146 #191D79 #2329AC #373DD6

Accessibility & contrast

On white

14.06

#191D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#191D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D79

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D79	#FFFFFF	#000000	##FFFFFF
##191D79	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307C

Deuteranopia (green-blind)

#002777

Tritanopia (blue-blind)

#003849

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #191d79;
/* rgb */ color: rgb(25, 29, 121);
/* oklch */ color: oklch(30.5% 0.151 271.3);

Tailwind

colors: {
  custom: {
    50: '#685aa1',
    500: '#191d79',
    950: '#000000',
  },
}

SCSS

$custom: #191d79;
$custom-light: #685aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#191d79",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 121
  },
  "hsl": {
    "h": 237.5,
    "s": 65.753,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30469,
    "c": 0.15126,
    "h": 271.3
  },
  "luminance": 0.02466
}

Semantic roles & 50–950 ramp

primary

#191D79

secondary

#AEA940

accent

#E23FE9

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #191D79

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

Preview Lab → · Contrast checker → · Palette generator →