#191D3E#191D3E

#191D3E is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.062 H 275.6°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#191D3E
RGB	rgb(25, 29, 62)
HSL	hsl(234, 43%, 17%)
HSV	hsv(234, 60%, 24%)
CMYK	cmyk(59.7%, 53.2%, 0%, 75.7%)
CIE-LAB	lab(12.18, 9.55, -21.79)
CIE-LCH	lch(12.18, 23.79, 293.67°)
OKLab	oklab(24.65% 0.0061 -0.062)
OKLCH	oklch(24.65% 0.062 275.6)
XYZ	xyz(1.7095, 1.4331, 4.7430)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D3E #3E3A19

analogous

#19303E #191D3E #28193E

triadic

#191D3E #3E191D #1D3E19

tetradic

#191D3E #3E1930 #3E3A19 #193E28

square

#191D3E #3E1930 #3E3A19 #193E28

split-complementary

#191D3E #3E2819 #303E19

monochromatic

#090A16 #090A16 #191D3E #2B316A #3C4695

Accessibility & contrast

On white

16.32

#191D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#191D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D3E

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D3E	#FFFFFF	#000000	##FFFFFF
##191D3E	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E213F

Deuteranopia (green-blind)

#0A1E3D

Tritanopia (blue-blind)

#09242A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #191d3e;
/* rgb */ color: rgb(25, 29, 62);
/* oklch */ color: oklch(24.7% 0.062 275.6);

Tailwind

colors: {
  custom: {
    50: '#595873',
    500: '#191d3e',
    950: '#000000',
  },
}

SCSS

$custom: #191d3e;
$custom-light: #595873;
$custom-dark: #000000;

JSON

{
  "hex": "#191d3e",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 62
  },
  "hsl": {
    "h": 233.514,
    "s": 42.529,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24654,
    "c": 0.0623,
    "h": 275.6
  },
  "luminance": 0.01433
}

Semantic roles & 50–950 ramp

primary

#191D3E

secondary

#746E3F

accent

#C555D2

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040308

muted

#79787B

Preview Lab

Preview with #191D3E

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

Preview Lab → · Contrast checker → · Palette generator →