#191D51#191D51

#191D51 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.3% C 0.094 H 274.6°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#191D51
RGB	rgb(25, 29, 81)
HSL	hsl(236, 53%, 21%)
HSV	hsv(236, 69%, 32%)
CMYK	cmyk(69.1%, 64.2%, 0%, 68.2%)
CIE-LAB	lab(13.71, 17.10, -32.50)
CIE-LCH	lch(13.71, 36.72, 297.76°)
OKLab	oklab(26.29% 0.0075 -0.0935)
OKLCH	oklch(26.29% 0.094 274.6)
XYZ	xyz(2.3250, 1.6793, 7.9846)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D51 #514D19

analogous

#193951 #191D51 #311951

triadic

#191D51 #51191D #1D5119

tetradic

#191D51 #511939 #514D19 #195131

square

#191D51 #511939 #514D19 #195131

split-complementary

#191D51 #513119 #395119

monochromatic

#070817 #0B0C22 #191D51 #272E80 #363EAF

Accessibility & contrast

On white

15.72

#191D51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#191D51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D51

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D51	#FFFFFF	#000000	##FFFFFF
##191D51	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002553

Deuteranopia (green-blind)

#002150

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #191d51;
/* rgb */ color: rgb(25, 29, 81);
/* oklch */ color: oklch(26.3% 0.094 274.6);

Tailwind

colors: {
  custom: {
    50: '#5d5882',
    500: '#191d51',
    950: '#000000',
  },
}

SCSS

$custom: #191d51;
$custom-light: #5d5882;
$custom-dark: #000000;

JSON

{
  "hex": "#191d51",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 81
  },
  "hsl": {
    "h": 235.714,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.26288,
    "c": 0.09379,
    "h": 274.6
  },
  "luminance": 0.01679
}

Semantic roles & 50–950 ramp

primary

#191D51

secondary

#87823E

accent

#D24CDC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030A

muted

#79787C

Preview Lab

Preview with #191D51

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

Preview Lab → · Contrast checker → · Palette generator →