#191F43#191F43

#191F43 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.5% C 0.068 H 273.5°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#191F43
RGB	rgb(25, 31, 67)
HSL	hsl(231, 46%, 18%)
HSV	hsv(231, 63%, 26%)
CMYK	cmyk(62.7%, 53.7%, 0%, 73.7%)
CIE-LAB	lab(13.18, 10.01, -23.69)
CIE-LCH	lch(13.18, 25.72, 292.90°)
OKLab	oklab(25.53% 0.0042 -0.0676)
OKLCH	oklch(25.53% 0.068 273.5)
XYZ	xyz(1.9037, 1.5918, 5.5160)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F43 #433D19

analogous

#193443 #191F43 #281943

triadic

#191F43 #43191F #1F4319

tetradic

#191F43 #431934 #433D19 #194328

square

#191F43 #431934 #433D19 #194328

split-complementary

#191F43 #432819 #344319

monochromatic

#080A16 #080A16 #191F43 #2A3470 #3A489C

Accessibility & contrast

On white

15.93

#191F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#191F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F43

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F43	#FFFFFF	#000000	##FFFFFF
##191F43	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2444

Deuteranopia (green-blind)

#082042

Tritanopia (blue-blind)

#04272D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191f43;
/* rgb */ color: rgb(25, 31, 67);
/* oklch */ color: oklch(25.5% 0.068 273.5);

Tailwind

colors: {
  custom: {
    50: '#5a5a77',
    500: '#191f43',
    950: '#000000',
  },
}

SCSS

$custom: #191f43;
$custom-light: #5a5a77;
$custom-dark: #000000;

JSON

{
  "hex": "#191f43",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 67
  },
  "hsl": {
    "h": 231.429,
    "s": 45.652,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25533,
    "c": 0.0677,
    "h": 273.5
  },
  "luminance": 0.01592
}

Semantic roles & 50–950 ramp

primary

#191F43

secondary

#79713F

accent

#C352D5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040308

muted

#79787B

Preview Lab

Preview with #191F43

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

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