#191F52#191F52

#191F52 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.8% C 0.092 H 273.4°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#191F52
RGB	rgb(25, 31, 82)
HSL	hsl(234, 53%, 21%)
HSV	hsv(234, 70%, 32%)
CMYK	cmyk(69.5%, 62.2%, 0%, 67.8%)
CIE-LAB	lab(14.38, 16.03, -32.09)
CIE-LCH	lch(14.38, 35.87, 296.54°)
OKLab	oklab(26.81% 0.0054 -0.0923)
OKLCH	oklch(26.81% 0.092 273.4)
XYZ	xyz(2.4134, 1.7956, 8.2004)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F52 #524C19

analogous

#193B52 #191F52 #2F1952

triadic

#191F52 #52191F #1F5219

tetradic

#191F52 #52193B #524C19 #19522F

square

#191F52 #52193B #524C19 #19522F

split-complementary

#191F52 #522F19 #3B5219

monochromatic

#070917 #0B0D23 #191F52 #273181 #3642B0

Accessibility & contrast

On white

15.45

#191F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#191F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F52

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F52	#FFFFFF	#000000	##FFFFFF
##191F52	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002754

Deuteranopia (green-blind)

#002251

Tritanopia (blue-blind)

#002B35

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191f52;
/* rgb */ color: rgb(25, 31, 82);
/* oklch */ color: oklch(26.8% 0.092 273.4);

Tailwind

colors: {
  custom: {
    50: '#5d5a83',
    500: '#191f52',
    950: '#000000',
  },
}

SCSS

$custom: #191f52;
$custom-light: #5d5a83;
$custom-dark: #000000;

JSON

{
  "hex": "#191f52",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 82
  },
  "hsl": {
    "h": 233.684,
    "s": 53.271,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26814,
    "c": 0.09242,
    "h": 273.4
  },
  "luminance": 0.01796
}

Semantic roles & 50–950 ramp

primary

#191F52

secondary

#88813E

accent

#CD4BDD

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030A

muted

#79787C

Preview Lab

Preview with #191F52

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

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