#191F64#191F64

#191F64 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.6% C 0.120 H 272.3°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#191F64
RGB	rgb(25, 31, 100)
HSL	hsl(235, 60%, 25%)
HSV	hsv(235, 75%, 39%)
CMYK	cmyk(75%, 69%, 0%, 60.8%)
CIE-LAB	lab(16.04, 23.20, -41.43)
CIE-LCH	lch(16.04, 47.48, 299.25°)
OKLab	oklab(28.56% 0.0048 -0.1197)
OKLCH	oklch(28.56% 0.12 272.3)
XYZ	xyz(3.1904, 2.1064, 12.2926)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191F64 #645E19

analogous

#194564 #191F64 #391964

triadic

#191F64 #64191F #1F6419

tetradic

#191F64 #641945 #645E19 #196439

square

#191F64 #641945 #645E19 #196439

split-complementary

#191F64 #643919 #456419

monochromatic

#060818 #0D1033 #191F64 #252E95 #313DC6

Accessibility & contrast

On white

14.77

#191F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#191F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191F64

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191F64	#FFFFFF	#000000	##FFFFFF
##191F64	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B66

Deuteranopia (green-blind)

#002463

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #191f64;
/* rgb */ color: rgb(25, 31, 100);
/* oklch */ color: oklch(28.6% 0.120 272.3);

Tailwind

colors: {
  custom: {
    50: '#625a91',
    500: '#191f64',
    950: '#000000',
  },
}

SCSS

$custom: #191f64;
$custom-light: #625a91;
$custom-dark: #000000;

JSON

{
  "hex": "#191f64",
  "rgb": {
    "r": 25,
    "g": 31,
    "b": 100
  },
  "hsl": {
    "h": 235.2,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.28556,
    "c": 0.11978,
    "h": 272.3
  },
  "luminance": 0.02107
}

Semantic roles & 50–950 ramp

primary

#191F64

secondary

#9A933F

accent

#D645E3

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #191F64

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

Preview Lab → · Contrast checker → · Palette generator →