#191C53#191C53

#191C53 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.3% C 0.098 H 275.0°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#191C53
RGB	rgb(25, 28, 83)
HSL	hsl(237, 54%, 21%)
HSV	hsv(237, 70%, 33%)
CMYK	cmyk(69.9%, 66.3%, 0%, 67.5%)
CIE-LAB	lab(13.60, 18.63, -34.03)
CIE-LCH	lch(13.60, 38.80, 298.70°)
OKLab	oklab(26.27% 0.0085 -0.098)
OKLCH	oklch(26.27% 0.098 275)
XYZ	xyz(2.3770, 1.6615, 8.3774)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C53 #535019

analogous

#193953 #191C53 #331953

triadic

#191C53 #53191C #1C5319

tetradic

#191C53 #531939 #535019 #195333

square

#191C53 #531939 #535019 #195333

split-complementary

#191C53 #533319 #395319

monochromatic

#070818 #0B0C24 #191C53 #272C82 #353CB1

Accessibility & contrast

On white

15.76

#191C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#191C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C53

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C53	#FFFFFF	#000000	##FFFFFF
##191C53	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002555

Deuteranopia (green-blind)

#002052

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191c53;
/* rgb */ color: rgb(25, 28, 83);
/* oklch */ color: oklch(26.3% 0.098 275.0);

Tailwind

colors: {
  custom: {
    50: '#5e5884',
    500: '#191c53',
    950: '#000000',
  },
}

SCSS

$custom: #191c53;
$custom-light: #5e5884;
$custom-dark: #000000;

JSON

{
  "hex": "#191c53",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 83
  },
  "hsl": {
    "h": 236.897,
    "s": 53.704,
    "l": 21.176
  },
  "oklch": {
    "l": 0.26266,
    "c": 0.09837,
    "h": 275
  },
  "luminance": 0.01662
}

Semantic roles & 50–950 ramp

primary

#191C53

secondary

#89863E

accent

#D64BDD

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191C53

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

Preview Lab → · Contrast checker → · Palette generator →