#191F7A#191F7A

#191F7A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.150 H 270.8°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#191F7A
RGB	rgb(25, 31, 122)
HSL	hsl(236, 66%, 29%)
HSV	hsv(236, 80%, 48%)
CMYK	cmyk(79.5%, 74.6%, 0%, 52.2%)
CIE-LAB	lab(18.33, 31.61, -51.94)
CIE-LCH	lch(18.33, 60.80, 301.32°)
OKLab	oklab(30.91% 0.0022 -0.1504)
OKLCH	oklch(30.91% 0.15 270.8)
XYZ	xyz(4.4025, 2.5913, 18.6767)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F7A #7A7419

analogous

#19507A #191F7A #44197A

triadic

#191F7A #7A191F #1F7A19

tetradic

#191F7A #7A1950 #7A7419 #197A44

square

#191F7A #7A1950 #7A7419 #197A44

split-complementary

#191F7A #7A4419 #507A19

monochromatic

#050619 #0F1247 #191F7A #232CAD #3741D6

Accessibility & contrast

On white

13.83

#191F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#191F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F7A

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F7A	#FFFFFF	#000000	##FFFFFF
##191F7A	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317D

Deuteranopia (green-blind)

#002878

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #191f7a;
/* rgb */ color: rgb(25, 31, 122);
/* oklch */ color: oklch(30.9% 0.150 270.8);

Tailwind

colors: {
  custom: {
    50: '#685ba1',
    500: '#191f7a',
    950: '#000000',
  },
}

SCSS

$custom: #191f7a;
$custom-light: #685ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#191f7a",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 122
  },
  "hsl": {
    "h": 236.289,
    "s": 65.986,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30906,
    "c": 0.1504,
    "h": 270.8
  },
  "luminance": 0.02592
}

Semantic roles & 50–950 ramp

primary

#191F7A

secondary

#AFA840

accent

#DE3FE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #191F7A

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

Preview Lab → · Contrast checker → · Palette generator →