#191C83#191C83

#191C83 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.165 H 270.7°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#191C83
RGB	rgb(25, 28, 131)
HSL	hsl(238, 68%, 31%)
HSV	hsv(238, 81%, 51%)
CMYK	cmyk(80.9%, 78.6%, 0%, 48.6%)
CIE-LAB	lab(18.69, 36.69, -57.05)
CIE-LCH	lch(18.69, 67.83, 302.75°)
OKLab	oklab(31.47% 0.002 -0.1652)
OKLCH	oklch(31.47% 0.165 270.7)
XYZ	xyz(4.9115, 2.6753, 21.7259)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C83 #838019

analogous

#195183 #191C83 #4B1983

triadic

#191C83 #83191C #1C8319

tetradic

#191C83 #831951 #838019 #19834B

square

#191C83 #831951 #838019 #19834B

split-complementary

#191C83 #834B19 #518319

monochromatic

#05061C #0F1150 #191C83 #2327B6 #3D41DA

Accessibility & contrast

On white

13.68

#191C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#191C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C83

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C83	#FFFFFF	#000000	##FFFFFF
##191C83	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002881

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #191c83;
/* rgb */ color: rgb(25, 28, 131);
/* oklch */ color: oklch(31.5% 0.165 270.7);

Tailwind

colors: {
  custom: {
    50: '#6b5aa8',
    500: '#191c83',
    950: '#000000',
  },
}

SCSS

$custom: #191c83;
$custom-light: #6b5aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#191c83",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 131
  },
  "hsl": {
    "h": 238.302,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3147,
    "c": 0.16523,
    "h": 270.7
  },
  "luminance": 0.02676
}

Semantic roles & 50–950 ramp

primary

#191C83

secondary

#B7B341

accent

#E63DEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #191C83

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

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