#191E57#191E57

#191E57 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.102 H 273.6°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#191E57
RGB	rgb(25, 30, 87)
HSL	hsl(235, 55%, 22%)
HSV	hsv(235, 71%, 34%)
CMYK	cmyk(71.3%, 65.5%, 0%, 65.9%)
CIE-LAB	lab(14.53, 18.77, -35.22)
CIE-LCH	lch(14.53, 39.91, 298.05°)
OKLab	oklab(27.07% 0.0064 -0.1015)
OKLCH	oklch(27.07% 0.102 273.6)
XYZ	xyz(2.5849, 1.8231, 9.2306)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E57 #575219

analogous

#193D57 #191E57 #331957

triadic

#191E57 #57191E #1E5719

tetradic

#191E57 #57193D #575219 #195733

square

#191E57 #57193D #575219 #195733

split-complementary

#191E57 #573319 #3D5719

monochromatic

#070818 #0B0E27 #191E57 #272E87 #343FB6

Accessibility & contrast

On white

15.39

#191E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#191E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E57

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E57	#FFFFFF	#000000	##FFFFFF
##191E57	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002859

Deuteranopia (green-blind)

#002256

Tritanopia (blue-blind)

#002C37

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #191e57;
/* rgb */ color: rgb(25, 30, 87);
/* oklch */ color: oklch(27.1% 0.102 273.6);

Tailwind

colors: {
  custom: {
    50: '#5f5987',
    500: '#191e57',
    950: '#000000',
  },
}

SCSS

$custom: #191e57;
$custom-light: #5f5987;
$custom-dark: #000000;

JSON

{
  "hex": "#191e57",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 87
  },
  "hsl": {
    "h": 235.161,
    "s": 55.357,
    "l": 21.961
  },
  "oklch": {
    "l": 0.27067,
    "c": 0.10168,
    "h": 273.6
  },
  "luminance": 0.01823
}

Semantic roles & 50–950 ramp

primary

#191E57

secondary

#8D873E

accent

#D349DF

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #191E57

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

Preview Lab → · Contrast checker → · Palette generator →