#191F4D#191F4D

#191F4D is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.084 H 273.6°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#191F4D
RGB	rgb(25, 31, 77)
HSL	hsl(233, 51%, 20%)
HSV	hsv(233, 68%, 30%)
CMYK	cmyk(67.5%, 59.7%, 0%, 69.8%)
CIE-LAB	lab(13.96, 14.02, -29.36)
CIE-LCH	lch(13.96, 32.53, 295.52°)
OKLab	oklab(26.37% 0.0052 -0.0842)
OKLCH	oklch(26.37% 0.084 273.6)
XYZ	xyz(2.2300, 1.7223, 7.2347)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F4D #4D4719

analogous

#19394D #191F4D #2D194D

triadic

#191F4D #4D191F #1F4D19

tetradic

#191F4D #4D1939 #4D4719 #194D2D

square

#191F4D #4D1939 #4D4719 #194D2D

split-complementary

#191F4D #4D2D19 #394D19

monochromatic

#080917 #0A0C1F #191F4D #28327B #3744A9

Accessibility & contrast

On white

15.62

#191F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#191F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F4D

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F4D	#FFFFFF	#000000	##FFFFFF
##191F4D	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02264F

Deuteranopia (green-blind)

#00214C

Tritanopia (blue-blind)

#002A32

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191f4d;
/* rgb */ color: rgb(25, 31, 77);
/* oklch */ color: oklch(26.4% 0.084 273.6);

Tailwind

colors: {
  custom: {
    50: '#5c5a7f',
    500: '#191f4d',
    950: '#000000',
  },
}

SCSS

$custom: #191f4d;
$custom-light: #5c5a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#191f4d",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 77
  },
  "hsl": {
    "h": 233.077,
    "s": 50.98,
    "l": 20
  },
  "oklch": {
    "l": 0.26368,
    "c": 0.08438,
    "h": 273.6
  },
  "luminance": 0.01722
}

Semantic roles & 50–950 ramp

primary

#191F4D

secondary

#837B3E

accent

#CA4DDA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191F4D

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

Preview Lab → · Contrast checker → · Palette generator →