#191D5A#191D5A

#191D5A is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.2% C 0.108 H 273.8°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#191D5A
RGB	rgb(25, 29, 90)
HSL	hsl(236, 57%, 23%)
HSV	hsv(236, 72%, 35%)
CMYK	cmyk(72.2%, 67.8%, 0%, 64.7%)
CIE-LAB	lab(14.53, 20.68, -37.24)
CIE-LCH	lch(14.53, 42.59, 299.05°)
OKLab	oklab(27.16% 0.0072 -0.1074)
OKLCH	oklch(27.16% 0.108 273.8)
XYZ	xyz(2.6851, 1.8233, 9.8813)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D5A #5A5619

analogous

#193D5A #191D5A #36195A

triadic

#191D5A #5A191D #1D5A19

tetradic

#191D5A #5A193D #5A5619 #195A36

square

#191D5A #5A193D #5A5619 #195A36

split-complementary

#191D5A #5A3619 #3D5A19

monochromatic

#070818 #0C0E2A #191D5A #262C8A #343CBA

Accessibility & contrast

On white

15.39

#191D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#191D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D5A

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D5A	#FFFFFF	#000000	##FFFFFF
##191D5A	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285C

Deuteranopia (green-blind)

#002259

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #191d5a;
/* rgb */ color: rgb(25, 29, 90);
/* oklch */ color: oklch(27.2% 0.108 273.8);

Tailwind

colors: {
  custom: {
    50: '#605989',
    500: '#191d5a',
    950: '#000000',
  },
}

SCSS

$custom: #191d5a;
$custom-light: #605989;
$custom-dark: #000000;

JSON

{
  "hex": "#191d5a",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 90
  },
  "hsl": {
    "h": 236.308,
    "s": 56.522,
    "l": 22.549
  },
  "oklch": {
    "l": 0.27155,
    "c": 0.10765,
    "h": 273.8
  },
  "luminance": 0.01824
}

Semantic roles & 50–950 ramp

primary

#191D5A

secondary

#908B3E

accent

#D648E0

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #191D5A

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

Preview Lab → · Contrast checker → · Palette generator →