#191657#191657

#191657 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.113 H 276.9°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#191657
RGB	rgb(25, 22, 87)
HSL	hsl(243, 60%, 21%)
HSV	hsv(243, 75%, 34%)
CMYK	cmyk(71.3%, 74.7%, 0%, 65.9%)
CIE-LAB	lab(12.41, 24.40, -38.70)
CIE-LCH	lch(12.41, 45.75, 302.24°)
OKLab	oklab(25.52% 0.0135 -0.1117)
OKLCH	oklch(25.52% 0.113 276.9)
XYZ	xyz(2.4076, 1.4684, 9.1715)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191657 #545716

analogous

#163457 #191657 #3A1657

triadic

#191657 #571916 #165719

tetradic

#191657 #571634 #545716 #16573A

square

#191657 #571634 #545716 #16573A

split-complementary

#191657 #573A16 #345716

monochromatic

#070618 #0B0A26 #191657 #272288 #352FB9

Accessibility & contrast

On white

16.23

#191657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#191657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191657

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191657	#FFFFFF	#000000	##FFFFFF
##191657	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#001E56

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #191657;
/* rgb */ color: rgb(25, 22, 87);
/* oklch */ color: oklch(25.5% 0.113 276.9);

Tailwind

colors: {
  custom: {
    50: '#5f5487',
    500: '#191657',
    950: '#000000',
  },
}

SCSS

$custom: #191657;
$custom-light: #5f5487;
$custom-dark: #000000;

JSON

{
  "hex": "#191657",
  "rgb": {
    "r": 25,
    "g": 22,
    "b": 87
  },
  "hsl": {
    "h": 242.769,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25518,
    "c": 0.11252,
    "h": 276.9
  },
  "luminance": 0.01469
}

Semantic roles & 50–950 ramp

primary

#191657

secondary

#8A8E3A

accent

#E345DC

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #191657

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

Preview Lab → · Contrast checker → · Palette generator →