#191F71#191F71

#191F71 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.138 H 271.4°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#191F71
RGB	rgb(25, 31, 113)
HSL	hsl(236, 64%, 27%)
HSV	hsv(236, 78%, 44%)
CMYK	cmyk(77.9%, 72.6%, 0%, 55.7%)
CIE-LAB	lab(17.36, 28.23, -47.75)
CIE-LCH	lch(17.36, 55.47, 300.59°)
OKLab	oklab(29.92% 0.0035 -0.1381)
OKLCH	oklch(29.92% 0.138 271.4)
XYZ	xyz(3.8705, 2.3785, 15.8747)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F71 #716B19

analogous

#194B71 #191F71 #3F1971

triadic

#191F71 #71191F #1F7119

tetradic

#191F71 #71194B #716B19 #19713F

square

#191F71 #71194B #716B19 #19713F

split-complementary

#191F71 #713F19 #4B7119

monochromatic

#060719 #0E113F #191F71 #242DA3 #333DD2

Accessibility & contrast

On white

14.23

#191F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#191F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F71

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F71	#FFFFFF	#000000	##FFFFFF
##191F71	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F73

Deuteranopia (green-blind)

#00266F

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #191f71;
/* rgb */ color: rgb(25, 31, 113);
/* oklch */ color: oklch(29.9% 0.138 271.4);

Tailwind

colors: {
  custom: {
    50: '#655b9b',
    500: '#191f71',
    950: '#000000',
  },
}

SCSS

$custom: #191f71;
$custom-light: #655b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#191f71",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 113
  },
  "hsl": {
    "h": 235.909,
    "s": 63.768,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29921,
    "c": 0.13819,
    "h": 271.4
  },
  "luminance": 0.02379
}

Semantic roles & 50–950 ramp

primary

#191F71

secondary

#A69F40

accent

#DB41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #191F71

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

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