#191E71#191E71

#191E71 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.139 H 271.7°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#191E71
RGB	rgb(25, 30, 113)
HSL	hsl(237, 64%, 27%)
HSV	hsv(237, 78%, 44%)
CMYK	cmyk(77.9%, 73.5%, 0%, 55.7%)
CIE-LAB	lab(17.12, 28.89, -48.14)
CIE-LCH	lch(17.12, 56.15, 300.97°)
OKLab	oklab(29.75% 0.0041 -0.1393)
OKLCH	oklch(29.75% 0.139 271.7)
XYZ	xyz(3.8448, 2.3271, 15.8661)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E71 #716C19

analogous

#194A71 #191E71 #401971

triadic

#191E71 #71191E #1E7119

tetradic

#191E71 #71194A #716C19 #197140

square

#191E71 #71194A #716C19 #197140

split-complementary

#191E71 #714019 #4A7119

monochromatic

#060719 #0E113F #191E71 #242BA3 #333CD2

Accessibility & contrast

On white

14.33

#191E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#191E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E71

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E71	#FFFFFF	#000000	##FFFFFF
##191E71	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#00266F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #191e71;
/* rgb */ color: rgb(25, 30, 113);
/* oklch */ color: oklch(29.7% 0.139 271.7);

Tailwind

colors: {
  custom: {
    50: '#665a9b',
    500: '#191e71',
    950: '#000000',
  },
}

SCSS

$custom: #191e71;
$custom-light: #665a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#191e71",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 113
  },
  "hsl": {
    "h": 236.591,
    "s": 63.768,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29746,
    "c": 0.13938,
    "h": 271.7
  },
  "luminance": 0.02327
}

Semantic roles & 50–950 ramp

primary

#191E71

secondary

#A6A040

accent

#DD41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #191E71

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

Preview Lab → · Contrast checker → · Palette generator →