#191B84#191B84

#191B84 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.167 H 270.7°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#191B84
RGB	rgb(25, 27, 132)
HSL	hsl(239, 68%, 31%)
HSV	hsv(239, 81%, 52%)
CMYK	cmyk(81.1%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(18.61, 37.62, -57.82)
CIE-LCH	lch(18.61, 68.99, 303.05°)
OKLab	oklab(31.45% 0.0022 -0.1674)
OKLCH	oklch(31.45% 0.167 270.7)
XYZ	xyz(4.9563, 2.6559, 22.0768)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191B84 #848219

analogous

#195084 #191B84 #4D1984

triadic

#191B84 #84191B #1B8419

tetradic

#191B84 #841950 #848219 #19844D

square

#191B84 #841950 #848219 #19844D

split-complementary

#191B84 #844D19 #508419

monochromatic

#06061D #0F1051 #191B84 #2326B7 #3D40DA

Accessibility & contrast

On white

13.71

#191B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#191B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191B84

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191B84	#FFFFFF	#000000	##FFFFFF
##191B84	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003387

Deuteranopia (green-blind)

#002882

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #191b84;
/* rgb */ color: rgb(25, 27, 132);
/* oklch */ color: oklch(31.4% 0.167 270.7);

Tailwind

colors: {
  custom: {
    50: '#6b59a9',
    500: '#191b84',
    950: '#000000',
  },
}

SCSS

$custom: #191b84;
$custom-light: #6b59a9;
$custom-dark: #000000;

JSON

{
  "hex": "#191b84",
  "rgb": {
    "r": 25,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 238.879,
    "s": 68.153,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31445,
    "c": 0.16745,
    "h": 270.7
  },
  "luminance": 0.02656
}

Semantic roles & 50–950 ramp

primary

#191B84

secondary

#B8B641

accent

#E83DEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #191B84

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

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