#191C3D#191C3D

#191C3D is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.3% C 0.062 H 276.8°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#191C3D
RGB	rgb(25, 28, 61)
HSL	hsl(235, 42%, 17%)
HSV	hsv(235, 59%, 24%)
CMYK	cmyk(59%, 54.1%, 0%, 76.1%)
CIE-LAB	lab(11.78, 9.92, -21.71)
CIE-LCH	lch(11.78, 23.87, 294.56°)
OKLab	oklab(24.33% 0.0074 -0.0618)
OKLCH	oklch(24.33% 0.062 276.8)
XYZ	xyz(1.6582, 1.3740, 4.5918)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C3D #3D3A19

analogous

#192E3D #191C3D #28193D

triadic

#191C3D #3D191C #1C3D19

tetradic

#191C3D #3D192E #3D3A19 #193D28

square

#191C3D #3D192E #3D3A19 #193D28

split-complementary

#191C3D #3D2819 #2E3D19

monochromatic

#090A16 #090A16 #191C3D #2B3068 #3D4494

Accessibility & contrast

On white

16.47

#191C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#191C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C3D

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C3D	#FFFFFF	#000000	##FFFFFF
##191C3D	1.00	16.47	1.27	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D213E

Deuteranopia (green-blind)

#0A1E3C

Tritanopia (blue-blind)

#0A2329

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #191c3d;
/* rgb */ color: rgb(25, 28, 61);
/* oklch */ color: oklch(24.3% 0.062 276.8);

Tailwind

colors: {
  custom: {
    50: '#595773',
    500: '#191c3d',
    950: '#000000',
  },
}

SCSS

$custom: #191c3d;
$custom-light: #595773;
$custom-dark: #000000;

JSON

{
  "hex": "#191c3d",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 61
  },
  "hsl": {
    "h": 235,
    "s": 41.86,
    "l": 16.863
  },
  "oklch": {
    "l": 0.24332,
    "c": 0.06222,
    "h": 276.8
  },
  "luminance": 0.01374
}

Semantic roles & 50–950 ramp

primary

#191C3D

secondary

#736F3F

accent

#C756D2

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#040308

muted

#79787B

Preview Lab

Preview with #191C3D

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

Preview Lab → · Contrast checker → · Palette generator →