#191C7F#191C7F

#191C7F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.160 H 271.0°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#191C7F
RGB	rgb(25, 28, 127)
HSL	hsl(238, 67%, 30%)
HSV	hsv(238, 80%, 50%)
CMYK	cmyk(80.3%, 78%, 0%, 50.2%)
CIE-LAB	lab(18.23, 35.28, -55.29)
CIE-LCH	lch(18.23, 65.59, 302.54°)
OKLab	oklab(31% 0.0027 -0.1601)
OKLCH	oklch(31% 0.16 271)
XYZ	xyz(4.6456, 2.5690, 20.3256)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C7F #7F7C19

analogous

#194F7F #191C7F #49197F

triadic

#191C7F #7F191C #1C7F19

tetradic

#191C7F #7F194F #7F7C19 #197F49

square

#191C7F #7F194F #7F7C19 #197F49

split-complementary

#191C7F #7F4919 #4F7F19

monochromatic

#05061A #0F114C #191C7F #2327B2 #3A3FD8

Accessibility & contrast

On white

13.87

#191C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#191C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C7F

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C7F	#FFFFFF	#000000	##FFFFFF
##191C7F	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003182

Deuteranopia (green-blind)

#00277D

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #191c7f;
/* rgb */ color: rgb(25, 28, 127);
/* oklch */ color: oklch(31.0% 0.160 271.0);

Tailwind

colors: {
  custom: {
    50: '#6a5aa5',
    500: '#191c7f',
    950: '#000000',
  },
}

SCSS

$custom: #191c7f;
$custom-light: #6a5aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#191c7f",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 238.235,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31003,
    "c": 0.16012,
    "h": 271
  },
  "luminance": 0.02569
}

Semantic roles & 50–950 ramp

primary

#191C7F

secondary

#B3B041

accent

#E53EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #191C7F

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

Preview Lab → · Contrast checker → · Palette generator →