#191571#191571

#191571 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.149 H 273.3°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#191571
RGB	rgb(25, 21, 113)
HSL	hsl(243, 69%, 26%)
HSV	hsv(243, 81%, 44%)
CMYK	cmyk(77.9%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(15.14, 34.44, -51.41)
CIE-LCH	lch(15.14, 61.88, 303.82°)
OKLab	oklab(28.34% 0.0086 -0.1487)
OKLCH	oklch(28.34% 0.149 273.3)
XYZ	xyz(3.6487, 1.9349, 15.8008)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191571 #6D7115

analogous

#153F71 #191571 #471571

triadic

#191571 #711915 #157119

tetradic

#191571 #71153F #6D7115 #157147

square

#191571 #71153F #6D7115 #157147

split-complementary

#191571 #714715 #3F7115

monochromatic

#06051A #0E0B3D #191571 #241FA5 #3129D7

Accessibility & contrast

On white

15.14

#191571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#191571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191571

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191571	#FFFFFF	#000000	##FFFFFF
##191571	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A74

Deuteranopia (green-blind)

#00216F

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #191571;
/* rgb */ color: rgb(25, 21, 113);
/* oklch */ color: oklch(28.3% 0.149 273.3);

Tailwind

colors: {
  custom: {
    50: '#67549b',
    500: '#191571',
    950: '#000000',
  },
}

SCSS

$custom: #191571;
$custom-light: #67549b;
$custom-dark: #000000;

JSON

{
  "hex": "#191571",
  "rgb": {
    "r": 25,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 242.609,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28341,
    "c": 0.14899,
    "h": 273.3
  },
  "luminance": 0.01935
}

Semantic roles & 50–950 ramp

primary

#191571

secondary

#A2A73B

accent

#EB3CE4

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #191571

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

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