#191D53#191D53

#191D53 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.097 H 274.4°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#191D53
RGB	rgb(25, 29, 83)
HSL	hsl(236, 54%, 21%)
HSV	hsv(236, 70%, 33%)
CMYK	cmyk(69.9%, 65.1%, 0%, 67.5%)
CIE-LAB	lab(13.88, 17.90, -33.57)
CIE-LCH	lch(13.88, 38.04, 298.07°)
OKLab	oklab(26.48% 0.0075 -0.0966)
OKLCH	oklch(26.48% 0.097 274.4)
XYZ	xyz(2.4011, 1.7097, 8.3854)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D53 #534F19

analogous

#193A53 #191D53 #321953

triadic

#191D53 #53191D #1D5319

tetradic

#191D53 #53193A #534F19 #195332

square

#191D53 #53193A #534F19 #195332

split-complementary

#191D53 #533219 #3A5319

monochromatic

#070818 #0B0D24 #191D53 #272D82 #353EB1

Accessibility & contrast

On white

15.65

#191D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#191D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D53

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D53	#FFFFFF	#000000	##FFFFFF
##191D53	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002655

Deuteranopia (green-blind)

#002152

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191d53;
/* rgb */ color: rgb(25, 29, 83);
/* oklch */ color: oklch(26.5% 0.097 274.4);

Tailwind

colors: {
  custom: {
    50: '#5e5884',
    500: '#191d53',
    950: '#000000',
  },
}

SCSS

$custom: #191d53;
$custom-light: #5e5884;
$custom-dark: #000000;

JSON

{
  "hex": "#191d53",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 83
  },
  "hsl": {
    "h": 235.862,
    "s": 53.704,
    "l": 21.176
  },
  "oklch": {
    "l": 0.26476,
    "c": 0.09692,
    "h": 274.4
  },
  "luminance": 0.0171
}

Semantic roles & 50–950 ramp

primary

#191D53

secondary

#89843E

accent

#D34BDD

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191D53

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

Preview Lab → · Contrast checker → · Palette generator →