#191D4D#191D4D

#191D4D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.087 H 274.9°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#191D4D
RGB	rgb(25, 29, 77)
HSL	hsl(235, 51%, 20%)
HSV	hsv(235, 68%, 30%)
CMYK	cmyk(67.5%, 62.3%, 0%, 69.8%)
CIE-LAB	lab(13.36, 15.50, -30.33)
CIE-LCH	lch(13.36, 34.06, 297.08°)
OKLab	oklab(25.92% 0.0075 -0.0871)
OKLCH	oklch(25.92% 0.087 274.9)
XYZ	xyz(2.1794, 1.6211, 7.2178)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D4D #4D4919

analogous

#19374D #191D4D #2F194D

triadic

#191D4D #4D191D #1D4D19

tetradic

#191D4D #4D1937 #4D4919 #194D2F

square

#191D4D #4D1937 #4D4919 #194D2F

split-complementary

#191D4D #4D2F19 #374D19

monochromatic

#080917 #0A0C1F #191D4D #282E7B #3740A9

Accessibility & contrast

On white

15.86

#191D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#191D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D4D

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D4D	#FFFFFF	#000000	##FFFFFF
##191D4D	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00254F

Deuteranopia (green-blind)

#00204C

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191d4d;
/* rgb */ color: rgb(25, 29, 77);
/* oklch */ color: oklch(25.9% 0.087 274.9);

Tailwind

colors: {
  custom: {
    50: '#5c587f',
    500: '#191d4d',
    950: '#000000',
  },
}

SCSS

$custom: #191d4d;
$custom-light: #5c587f;
$custom-dark: #000000;

JSON

{
  "hex": "#191d4d",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 77
  },
  "hsl": {
    "h": 235.385,
    "s": 50.98,
    "l": 20
  },
  "oklch": {
    "l": 0.2592,
    "c": 0.08742,
    "h": 274.9
  },
  "luminance": 0.01621
}

Semantic roles & 50–950 ramp

primary

#191D4D

secondary

#837E3E

accent

#D04DDA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191D4D

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

Preview Lab → · Contrast checker → · Palette generator →