#191F8C#191F8C

#191F8C is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.174 H 269.8°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#191F8C
RGB	rgb(25, 31, 140)
HSL	hsl(237, 70%, 32%)
HSV	hsv(237, 82%, 55%)
CMYK	cmyk(82.1%, 77.9%, 0%, 45.1%)
CIE-LAB	lab(20.36, 38.10, -59.95)
CIE-LCH	lch(20.36, 71.03, 302.44°)
OKLab	oklab(32.96% -0.0007 -0.1737)
OKLCH	oklch(32.96% 0.174 269.8)
XYZ	xyz(5.6229, 3.0794, 25.1039)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F8C #8C8619

analogous

#19588C #191F8C #4D198C

triadic

#191F8C #8C191F #1F8C19

tetradic

#191F8C #8C1958 #8C8619 #198C4D

square

#191F8C #8C1958 #8C8619 #198C4D

split-complementary

#191F8C #8C4D19 #588C19

monochromatic

#060824 #101458 #191F8C #222AC0 #424ADD

Accessibility & contrast

On white

13.00

#191F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#191F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F8C

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F8C	#FFFFFF	#000000	##FFFFFF
##191F8C	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002B8A

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #191f8c;
/* rgb */ color: rgb(25, 31, 140);
/* oklch */ color: oklch(33.0% 0.174 269.8);

Tailwind

colors: {
  custom: {
    50: '#6d5caf',
    500: '#191f8c',
    950: '#000000',
  },
}

SCSS

$custom: #191f8c;
$custom-light: #6d5caf;
$custom-dark: #000000;

JSON

{
  "hex": "#191f8c",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 140
  },
  "hsl": {
    "h": 236.87,
    "s": 69.697,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32955,
    "c": 0.17366,
    "h": 269.8
  },
  "luminance": 0.0308
}

Semantic roles & 50–950 ramp

primary

#191F8C

secondary

#BEB843

accent

#E33BED

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #191F8C

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

Preview Lab → · Contrast checker → · Palette generator →