#191B49#191B49

#191B49 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.084 H 276.6°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#191B49
RGB	rgb(25, 27, 73)
HSL	hsl(238, 49%, 19%)
HSV	hsv(238, 66%, 29%)
CMYK	cmyk(65.8%, 63%, 0%, 71.4%)
CIE-LAB	lab(12.43, 15.40, -29.08)
CIE-LCH	lch(12.43, 32.91, 297.91°)
OKLab	oklab(25.12% 0.0097 -0.0835)
OKLCH	oklch(25.12% 0.084 276.6)
XYZ	xyz(1.9950, 1.4714, 6.4809)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B49 #494719

analogous

#193349 #191B49 #2F1949

triadic

#191B49 #49191B #1B4919

tetradic

#191B49 #491933 #494719 #19492F

square

#191B49 #491933 #494719 #19492F

split-complementary

#191B49 #492F19 #334919

monochromatic

#080817 #090A1B #191B49 #292C77 #383DA4

Accessibility & contrast

On white

16.22

#191B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#191B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B49

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B49	#FFFFFF	#000000	##FFFFFF
##191B49	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224B

Deuteranopia (green-blind)

#001E48

Tritanopia (blue-blind)

#00262F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #191b49;
/* rgb */ color: rgb(25, 27, 73);
/* oklch */ color: oklch(25.1% 0.084 276.6);

Tailwind

colors: {
  custom: {
    50: '#5c577c',
    500: '#191b49',
    950: '#000000',
  },
}

SCSS

$custom: #191b49;
$custom-light: #5c577c;
$custom-dark: #000000;

JSON

{
  "hex": "#191b49",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 73
  },
  "hsl": {
    "h": 237.5,
    "s": 48.98,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25118,
    "c": 0.08402,
    "h": 276.6
  },
  "luminance": 0.01472
}

Semantic roles & 50–950 ramp

primary

#191B49

secondary

#7F7D3E

accent

#D34FD9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #191B49

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

Preview Lab → · Contrast checker → · Palette generator →