#191F8D#191F8D

#191F8D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.175 H 269.7°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#191F8D
RGB	rgb(25, 31, 141)
HSL	hsl(237, 70%, 33%)
HSV	hsv(237, 82%, 55%)
CMYK	cmyk(82.3%, 78%, 0%, 44.7%)
CIE-LAB	lab(20.48, 38.45, -60.38)
CIE-LCH	lch(20.48, 71.59, 302.49°)
OKLab	oklab(33.07% -0.0008 -0.1749)
OKLCH	oklch(33.07% 0.175 269.7)
XYZ	xyz(5.6970, 3.1091, 25.4940)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F8D #8D8719

analogous

#19598D #191F8D #4D198D

triadic

#191F8D #8D191F #1F8D19

tetradic

#191F8D #8D1959 #8D8719 #198D4D

square

#191F8D #8D1959 #8D8719 #198D4D

split-complementary

#191F8D #8D4D19 #598D19

monochromatic

#070825 #101459 #191F8D #222AC1 #434BDE

Accessibility & contrast

On white

12.95

#191F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#191F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F8D

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F8D	#FFFFFF	#000000	##FFFFFF
##191F8D	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002B8B

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #191f8d;
/* rgb */ color: rgb(25, 31, 141);
/* oklch */ color: oklch(33.1% 0.175 269.7);

Tailwind

colors: {
  custom: {
    50: '#6d5cb0',
    500: '#191f8d',
    950: '#000000',
  },
}

SCSS

$custom: #191f8d;
$custom-light: #6d5cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#191f8d",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 141
  },
  "hsl": {
    "h": 236.897,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33072,
    "c": 0.17491,
    "h": 269.7
  },
  "luminance": 0.0311
}

Semantic roles & 50–950 ramp

primary

#191F8D

secondary

#BFB843

accent

#E33BED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080411

muted

#7B7980

Preview Lab

Preview with #191F8D

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

Preview Lab → · Contrast checker → · Palette generator →