#171253#171253

#171253 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.2% C 0.112 H 277.4°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#171253
RGB	rgb(23, 18, 83)
HSL	hsl(245, 64%, 20%)
HSV	hsv(245, 78%, 33%)
CMYK	cmyk(72.3%, 78.3%, 0%, 67.5%)
CIE-LAB	lab(10.84, 25.28, -38.55)
CIE-LCH	lch(10.84, 46.10, 303.25°)
OKLab	oklab(24.22% 0.0144 -0.1113)
OKLCH	oklch(24.22% 0.112 277.4)
XYZ	xyz(2.1305, 1.2391, 8.3088)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171253 #4E5312

analogous

#122E53 #171253 #371253

triadic

#171253 #531712 #125317

tetradic

#171253 #53122E #4E5312 #125337

square

#171253 #53122E #4E5312 #125337

split-complementary

#171253 #533712 #2E5312

monochromatic

#070519 #090721 #171253 #251D85 #3328B8

Accessibility & contrast

On white

16.83

#171253 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171253 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171253

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171253	#FFFFFF	#000000	##FFFFFF
##171253	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002055

Deuteranopia (green-blind)

#001A52

Tritanopia (blue-blind)

#002431

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #171253;
/* rgb */ color: rgb(23, 18, 83);
/* oklch */ color: oklch(24.2% 0.112 277.4);

Tailwind

colors: {
  custom: {
    50: '#5e5084',
    500: '#171253',
    950: '#000000',
  },
}

SCSS

$custom: #171253;
$custom-light: #5e5084;
$custom-dark: #000000;

JSON

{
  "hex": "#171253",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 83
  },
  "hsl": {
    "h": 244.615,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24224,
    "c": 0.11226,
    "h": 277.4
  },
  "luminance": 0.01239
}

Semantic roles & 50–950 ramp

primary

#171253

secondary

#858C35

accent

#E740DB

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171253

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

Preview Lab → · Contrast checker → · Palette generator →