#191F41#191F41

#191F41 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.4% C 0.064 H 273.4°. Best body text is #FFFFFF at 15.99:1 contrast (WCAG AA passes).

Color values

HEX	#191F41
RGB	rgb(25, 31, 65)
HSL	hsl(231, 44%, 18%)
HSV	hsv(231, 62%, 25%)
CMYK	cmyk(61.5%, 52.3%, 0%, 74.5%)
CIE-LAB	lab(13.04, 9.22, -22.53)
CIE-LCH	lch(13.04, 24.34, 292.25°)
OKLab	oklab(25.38% 0.0039 -0.0641)
OKLCH	oklch(25.38% 0.064 273.4)
XYZ	xyz(1.8447, 1.5682, 5.2055)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F41 #413B19

analogous

#193341 #191F41 #271941

triadic

#191F41 #41191F #1F4119

tetradic

#191F41 #411933 #413B19 #194127

square

#191F41 #411933 #413B19 #194127

split-complementary

#191F41 #412719 #334119

monochromatic

#090B16 #090B16 #191F41 #2A346D #3B4999

Accessibility & contrast

On white

15.99

#191F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#191F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F41

15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F41	#FFFFFF	#000000	##FFFFFF
##191F41	1.00	15.99	1.31	15.99
#FFFFFF	15.99	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#102342

Deuteranopia (green-blind)

#0B2040

Tritanopia (blue-blind)

#06262C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191f41;
/* rgb */ color: rgb(25, 31, 65);
/* oklch */ color: oklch(25.4% 0.064 273.4);

Tailwind

colors: {
  custom: {
    50: '#595a76',
    500: '#191f41',
    950: '#000000',
  },
}

SCSS

$custom: #191f41;
$custom-light: #595a76;
$custom-dark: #000000;

JSON

{
  "hex": "#191f41",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 65
  },
  "hsl": {
    "h": 231,
    "s": 44.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.25376,
    "c": 0.06426,
    "h": 273.4
  },
  "luminance": 0.01568
}

Semantic roles & 50–950 ramp

primary

#191F41

secondary

#776F3F

accent

#C154D4

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040308

muted

#79787B

Preview Lab

Preview with #191F41

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

Preview Lab → · Contrast checker → · Palette generator →