#191C87#191C87

#191C87 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.170 H 270.4°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#191C87
RGB	rgb(25, 28, 135)
HSL	hsl(238, 69%, 31%)
HSV	hsv(238, 81%, 53%)
CMYK	cmyk(81.5%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(19.17, 38.09, -58.79)
CIE-LCH	lch(19.17, 70.05, 302.94°)
OKLab	oklab(31.94% 0.0012 -0.1703)
OKLCH	oklch(31.94% 0.17 270.4)
XYZ	xyz(5.1878, 2.7859, 23.1813)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C87 #878419

analogous

#195387 #191C87 #4D1987

triadic

#191C87 #87191C #1C8719

tetradic

#191C87 #871953 #878419 #19874D

square

#191C87 #871953 #878419 #19874D

split-complementary

#191C87 #874D19 #538719

monochromatic

#060720 #0F1153 #191C87 #2327BB #3F43DB

Accessibility & contrast

On white

13.49

#191C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#191C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C87

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C87	#FFFFFF	#000000	##FFFFFF
##191C87	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348A

Deuteranopia (green-blind)

#002985

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #191c87;
/* rgb */ color: rgb(25, 28, 135);
/* oklch */ color: oklch(31.9% 0.170 270.4);

Tailwind

colors: {
  custom: {
    50: '#6c5aab',
    500: '#191c87',
    950: '#000000',
  },
}

SCSS

$custom: #191c87;
$custom-light: #6c5aab;
$custom-dark: #000000;

JSON

{
  "hex": "#191c87",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 238.364,
    "s": 68.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3194,
    "c": 0.17027,
    "h": 270.4
  },
  "luminance": 0.02786
}

Semantic roles & 50–950 ramp

primary

#191C87

secondary

#BAB741

accent

#E73CEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #191C87

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

Preview Lab → · Contrast checker → · Palette generator →