#191E8B#191E8B

#191E8B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.173 H 269.9°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#191E8B
RGB	rgb(25, 30, 139)
HSL	hsl(237, 70%, 32%)
HSV	hsv(237, 82%, 55%)
CMYK	cmyk(82%, 78.4%, 0%, 45.5%)
CIE-LAB	lab(20.04, 38.33, -59.86)
CIE-LCH	lch(20.04, 71.08, 302.64°)
OKLab	oklab(32.69% -0.0002 -0.1734)
OKLCH	oklch(32.69% 0.173 269.9)
XYZ	xyz(5.5238, 2.9987, 24.7088)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191E8B #8B8619

analogous

#19578B #191E8B #4D198B

triadic

#191E8B #8B191E #1E8B19

tetradic

#191E8B #8B1957 #8B8619 #198B4D

square

#191E8B #8B1957 #8B8619 #198B4D

split-complementary

#191E8B #8B4D19 #578B19

monochromatic

#060823 #101357 #191E8B #2229BF #4148DD

Accessibility & contrast

On white

13.13

#191E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#191E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191E8B

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191E8B	#FFFFFF	#000000	##FFFFFF
##191E8B	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002B89

Tritanopia (blue-blind)

#003F53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #191e8b;
/* rgb */ color: rgb(25, 30, 139);
/* oklch */ color: oklch(32.7% 0.173 269.9);

Tailwind

colors: {
  custom: {
    50: '#6d5bae',
    500: '#191e8b',
    950: '#000000',
  },
}

SCSS

$custom: #191e8b;
$custom-light: #6d5bae;
$custom-dark: #000000;

JSON

{
  "hex": "#191e8b",
  "rgb": {
    "r": 25,
    "g": 30,
    "b": 139
  },
  "hsl": {
    "h": 237.368,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32694,
    "c": 0.17337,
    "h": 269.9
  },
  "luminance": 0.02999
}

Semantic roles & 50–950 ramp

primary

#191E8B

secondary

#BEB842

accent

#E53BEC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #191E8B

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

Preview Lab → · Contrast checker → · Palette generator →