#171653#171653

#171653 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.107 H 276.0°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#171653
RGB	rgb(23, 22, 83)
HSL	hsl(241, 58%, 21%)
HSV	hsv(241, 73%, 33%)
CMYK	cmyk(72.3%, 73.5%, 0%, 67.5%)
CIE-LAB	lab(11.83, 22.58, -36.94)
CIE-LCH	lch(11.83, 43.29, 301.44°)
OKLab	oklab(24.93% 0.0112 -0.1066)
OKLCH	oklch(24.93% 0.107 276)
XYZ	xyz(2.2011, 1.3803, 8.3324)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171653 #525316

analogous

#163353 #171653 #351653

triadic

#171653 #531716 #165317

tetradic

#171653 #531633 #525316 #165335

square

#171653 #531633 #525316 #165335

split-complementary

#171653 #533516 #335316

monochromatic

#070618 #0A0923 #171653 #242383 #3230B4

Accessibility & contrast

On white

16.46

#171653 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#171653 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171653

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171653	#FFFFFF	#000000	##FFFFFF
##171653	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002255

Deuteranopia (green-blind)

#001C52

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #171653;
/* rgb */ color: rgb(23, 22, 83);
/* oklch */ color: oklch(24.9% 0.107 276.0);

Tailwind

colors: {
  custom: {
    50: '#5e5384',
    500: '#171653',
    950: '#000000',
  },
}

SCSS

$custom: #171653;
$custom-light: #5e5384;
$custom-dark: #000000;

JSON

{
  "hex": "#171653",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 83
  },
  "hsl": {
    "h": 240.984,
    "s": 58.095,
    "l": 20.588
  },
  "oklch": {
    "l": 0.2493,
    "c": 0.10721,
    "h": 276
  },
  "luminance": 0.01381
}

Semantic roles & 50–950 ramp

primary

#171653

secondary

#898A3A

accent

#E146DF

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171653

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

Preview Lab → · Contrast checker → · Palette generator →