#191D59#191D59

#191D59 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.106 H 273.9°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#191D59
RGB	rgb(25, 29, 89)
HSL	hsl(236, 56%, 22%)
HSV	hsv(236, 72%, 35%)
CMYK	cmyk(71.9%, 67.4%, 0%, 65.1%)
CIE-LAB	lab(14.44, 20.28, -36.72)
CIE-LCH	lch(14.44, 41.95, 298.92°)
OKLab	oklab(27.06% 0.0073 -0.1059)
OKLCH	oklch(27.06% 0.106 273.9)
XYZ	xyz(2.6428, 1.8064, 9.6587)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D59 #595519

analogous

#193D59 #191D59 #351959

triadic

#191D59 #59191D #1D5919

tetradic

#191D59 #59193D #595519 #195935

square

#191D59 #59193D #595519 #195935

split-complementary

#191D59 #593519 #3D5919

monochromatic

#070818 #0C0D29 #191D59 #262D89 #343CB9

Accessibility & contrast

On white

15.43

#191D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#191D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D59

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D59	#FFFFFF	#000000	##FFFFFF
##191D59	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002258

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #191d59;
/* rgb */ color: rgb(25, 29, 89);
/* oklch */ color: oklch(27.1% 0.106 273.9);

Tailwind

colors: {
  custom: {
    50: '#5f5988',
    500: '#191d59',
    950: '#000000',
  },
}

SCSS

$custom: #191d59;
$custom-light: #5f5988;
$custom-dark: #000000;

JSON

{
  "hex": "#191d59",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 89
  },
  "hsl": {
    "h": 236.25,
    "s": 56.14,
    "l": 22.353
  },
  "oklch": {
    "l": 0.27056,
    "c": 0.10614,
    "h": 273.9
  },
  "luminance": 0.01807
}

Semantic roles & 50–950 ramp

primary

#191D59

secondary

#8F8A3E

accent

#D648DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #191D59

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

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