#191D5C#191D5C

#191D5C is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.4% C 0.111 H 273.7°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#191D5C
RGB	rgb(25, 29, 92)
HSL	hsl(236, 57%, 23%)
HSV	hsv(236, 73%, 36%)
CMYK	cmyk(72.8%, 68.5%, 0%, 63.9%)
CIE-LAB	lab(14.72, 21.47, -38.26)
CIE-LCH	lch(14.72, 43.87, 299.29°)
OKLab	oklab(27.36% 0.0071 -0.1104)
OKLCH	oklch(27.36% 0.111 273.7)
XYZ	xyz(2.7714, 1.8579, 10.3357)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D5C #5C5819

analogous

#193E5C #191D5C #36195C

triadic

#191D5C #5C191D #1D5C19

tetradic

#191D5C #5C193E #5C5819 #195C36

square

#191D5C #5C193E #5C5819 #195C36

split-complementary

#191D5C #5C3619 #3E5C19

monochromatic

#070818 #0C0E2C #191D5C #262C8C #333BBC

Accessibility & contrast

On white

15.31

#191D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#191D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D5C

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D5C	#FFFFFF	#000000	##FFFFFF
##191D5C	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285E

Deuteranopia (green-blind)

#00225B

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #191d5c;
/* rgb */ color: rgb(25, 29, 92);
/* oklch */ color: oklch(27.4% 0.111 273.7);

Tailwind

colors: {
  custom: {
    50: '#60598b',
    500: '#191d5c',
    950: '#000000',
  },
}

SCSS

$custom: #191d5c;
$custom-light: #60598b;
$custom-dark: #000000;

JSON

{
  "hex": "#191d5c",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 92
  },
  "hsl": {
    "h": 236.418,
    "s": 57.265,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27355,
    "c": 0.11065,
    "h": 273.7
  },
  "luminance": 0.01858
}

Semantic roles & 50–950 ramp

primary

#191D5C

secondary

#928D3F

accent

#D747E1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #191D5C

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

Preview Lab → · Contrast checker → · Palette generator →