#191D4F#191D4F

#191D4F is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.1% C 0.091 H 274.8°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#191D4F
RGB	rgb(25, 29, 79)
HSL	hsl(236, 52%, 20%)
HSV	hsv(236, 68%, 31%)
CMYK	cmyk(68.4%, 63.3%, 0%, 69%)
CIE-LAB	lab(13.53, 16.31, -31.42)
CIE-LCH	lch(13.53, 35.40, 297.43°)
OKLab	oklab(26.1% 0.0075 -0.0903)
OKLCH	oklch(26.1% 0.091 274.8)
XYZ	xyz(2.2511, 1.6497, 7.5954)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D4F #4F4B19

analogous

#19384F #191D4F #30194F

triadic

#191D4F #4F191D #1D4F19

tetradic

#191D4F #4F1938 #4F4B19 #194F30

square

#191D4F #4F1938 #4F4B19 #194F30

split-complementary

#191D4F #4F3019 #384F19

monochromatic

#070917 #0A0C21 #191D4F #282E7D #363FAC

Accessibility & contrast

On white

15.79

#191D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#191D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D4F

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D4F	#FFFFFF	#000000	##FFFFFF
##191D4F	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002551

Deuteranopia (green-blind)

#00204E

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191d4f;
/* rgb */ color: rgb(25, 29, 79);
/* oklch */ color: oklch(26.1% 0.091 274.8);

Tailwind

colors: {
  custom: {
    50: '#5d5881',
    500: '#191d4f',
    950: '#000000',
  },
}

SCSS

$custom: #191d4f;
$custom-light: #5d5881;
$custom-dark: #000000;

JSON

{
  "hex": "#191d4f",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 79
  },
  "hsl": {
    "h": 235.556,
    "s": 51.923,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26102,
    "c": 0.09062,
    "h": 274.8
  },
  "luminance": 0.0165
}

Semantic roles & 50–950 ramp

primary

#191D4F

secondary

#85803E

accent

#D14CDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #191D4F

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

Preview Lab → · Contrast checker → · Palette generator →