#171255#171255

#171255 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.115 H 277.0°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#171255
RGB	rgb(23, 18, 85)
HSL	hsl(244, 65%, 20%)
HSV	hsv(244, 79%, 33%)
CMYK	cmyk(72.9%, 78.8%, 0%, 66.7%)
CIE-LAB	lab(11.07, 26.01, -39.54)
CIE-LCH	lch(11.07, 47.33, 303.34°)
OKLab	oklab(24.45% 0.0139 -0.1142)
OKLCH	oklch(24.45% 0.115 277)
XYZ	xyz(2.2088, 1.2705, 8.7214)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171255 #505512

analogous

#122E55 #171255 #391255

triadic

#171255 #551712 #125517

tetradic

#171255 #55122E #505512 #125539

square

#171255 #55122E #505512 #125539

split-complementary

#171255 #553912 #2E5512

monochromatic

#070519 #090722 #171255 #251D88 #3227BA

Accessibility & contrast

On white

16.74

#171255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171255

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171255	#FFFFFF	#000000	##FFFFFF
##171255	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002057

Deuteranopia (green-blind)

#001B54

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171255;
/* rgb */ color: rgb(23, 18, 85);
/* oklch */ color: oklch(24.5% 0.115 277.0);

Tailwind

colors: {
  custom: {
    50: '#5f5186',
    500: '#171255',
    950: '#000000',
  },
}

SCSS

$custom: #171255;
$custom-light: #5f5186;
$custom-dark: #000000;

JSON

{
  "hex": "#171255",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 85
  },
  "hsl": {
    "h": 244.478,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24452,
    "c": 0.11509,
    "h": 277
  },
  "luminance": 0.01271
}

Semantic roles & 50–950 ramp

primary

#171255

secondary

#878E35

accent

#E840DB

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171255

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

Preview Lab → · Contrast checker → · Palette generator →