#191D8D#191D8D

#191D8D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.177 H 269.9°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#191D8D
RGB	rgb(25, 29, 141)
HSL	hsl(238, 70%, 33%)
HSV	hsv(238, 82%, 55%)
CMYK	cmyk(82.3%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(20.08, 39.60, -61.04)
CIE-LCH	lch(20.08, 72.76, 302.97°)
OKLab	oklab(32.79% -0.0002 -0.1768)
OKLCH	oklch(32.79% 0.177 269.9)
XYZ	xyz(5.6463, 3.0078, 25.4771)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D8D #8D8919

analogous

#19578D #191D8D #4F198D

triadic

#191D8D #8D191D #1D8D19

tetradic

#191D8D #8D1957 #8D8919 #198D4F

square

#191D8D #8D1957 #8D8919 #198D4F

split-complementary

#191D8D #8D4F19 #578D19

monochromatic

#070825 #101259 #191D8D #2228C1 #4348DE

Accessibility & contrast

On white

13.11

#191D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#191D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D8D

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D8D	#FFFFFF	#000000	##FFFFFF
##191D8D	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #191d8d;
/* rgb */ color: rgb(25, 29, 141);
/* oklch */ color: oklch(32.8% 0.177 269.9);

Tailwind

colors: {
  custom: {
    50: '#6d5bb0',
    500: '#191d8d',
    950: '#000000',
  },
}

SCSS

$custom: #191d8d;
$custom-light: #6d5bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#191d8d",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 237.931,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32789,
    "c": 0.17681,
    "h": 269.9
  },
  "luminance": 0.03008
}

Semantic roles & 50–950 ramp

primary

#191D8D

secondary

#BFBA43

accent

#E73BED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #191D8D

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

Preview Lab → · Contrast checker → · Palette generator →