#191B48#191B48

#191B48 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.082 H 276.7°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#191B48
RGB	rgb(25, 27, 72)
HSL	hsl(237, 48%, 19%)
HSV	hsv(237, 65%, 28%)
CMYK	cmyk(65.3%, 62.5%, 0%, 71.8%)
CIE-LAB	lab(12.34, 15.01, -28.52)
CIE-LCH	lch(12.34, 32.23, 297.75°)
OKLab	oklab(25.03% 0.0097 -0.0818)
OKLCH	oklch(25.03% 0.082 276.7)
XYZ	xyz(1.9622, 1.4583, 6.3077)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B48 #484619

analogous

#193348 #191B48 #2F1948

triadic

#191B48 #48191B #1B4819

tetradic

#191B48 #481933 #484619 #19482F

square

#191B48 #481933 #484619 #19482F

split-complementary

#191B48 #482F19 #334819

monochromatic

#080917 #090A1B #191B48 #292C75 #393DA3

Accessibility & contrast

On white

16.26

#191B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#191B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B48

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B48	#FFFFFF	#000000	##FFFFFF
##191B48	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224A

Deuteranopia (green-blind)

#001E47

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #191b48;
/* rgb */ color: rgb(25, 27, 72);
/* oklch */ color: oklch(25.0% 0.082 276.7);

Tailwind

colors: {
  custom: {
    50: '#5b577b',
    500: '#191b48',
    950: '#000000',
  },
}

SCSS

$custom: #191b48;
$custom-light: #5b577b;
$custom-dark: #000000;

JSON

{
  "hex": "#191b48",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 72
  },
  "hsl": {
    "h": 237.447,
    "s": 48.454,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25028,
    "c": 0.08239,
    "h": 276.7
  },
  "luminance": 0.01458
}

Semantic roles & 50–950 ramp

primary

#191B48

secondary

#7E7C3E

accent

#D250D8

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #191B48

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

Preview Lab → · Contrast checker → · Palette generator →