#191F8E#191F8E

#191F8E is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.176 H 269.7°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#191F8E
RGB	rgb(25, 31, 142)
HSL	hsl(237, 70%, 33%)
HSV	hsv(237, 82%, 56%)
CMYK	cmyk(82.4%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(20.59, 38.80, -60.81)
CIE-LCH	lch(20.59, 72.14, 302.54°)
OKLab	oklab(33.19% -0.001 -0.1762)
OKLCH	oklch(33.19% 0.176 269.7)
XYZ	xyz(5.7717, 3.1390, 25.8876)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F8E #8E8819

analogous

#19598E #191F8E #4D198E

triadic

#191F8E #8E191F #1F8E19

tetradic

#191F8E #8E1959 #8E8819 #198E4D

square

#191F8E #8E1959 #8E8819 #198E4D

split-complementary

#191F8E #8E4D19 #598E19

monochromatic

#070826 #10145A #191F8E #222AC2 #434BDE

Accessibility & contrast

On white

12.90

#191F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#191F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F8E

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F8E	#FFFFFF	#000000	##FFFFFF
##191F8E	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002C8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #191f8e;
/* rgb */ color: rgb(25, 31, 142);
/* oklch */ color: oklch(33.2% 0.176 269.7);

Tailwind

colors: {
  custom: {
    50: '#6e5cb0',
    500: '#191f8e',
    950: '#000000',
  },
}

SCSS

$custom: #191f8e;
$custom-light: #6e5cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#191f8e",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 236.923,
    "s": 70.06,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33188,
    "c": 0.17616,
    "h": 269.7
  },
  "luminance": 0.0314
}

Semantic roles & 50–950 ramp

primary

#191F8E

secondary

#BFB944

accent

#E43BED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #191F8E

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

Preview Lab → · Contrast checker → · Palette generator →