#171157#171157

#171157 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.119 H 276.8°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#171157
RGB	rgb(23, 17, 87)
HSL	hsl(245, 67%, 20%)
HSV	hsv(245, 80%, 34%)
CMYK	cmyk(73.6%, 80.5%, 0%, 65.9%)
CIE-LAB	lab(11.07, 27.38, -40.90)
CIE-LCH	lch(11.07, 49.22, 303.80°)
OKLab	oklab(24.52% 0.0142 -0.1182)
OKLCH	oklch(24.52% 0.119 276.8)
XYZ	xyz(2.2735, 1.2710, 9.1405)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171157 #515711

analogous

#112E57 #171157 #3A1157

triadic

#171157 #571711 #115717

tetradic

#171157 #57112E #515711 #11573A

square

#171157 #57112E #515711 #11573A

split-complementary

#171157 #573A11 #2E5711

monochromatic

#07051A #090724 #171157 #251B8A #3225BD

Accessibility & contrast

On white

16.74

#171157 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171157 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171157

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171157	#FFFFFF	#000000	##FFFFFF
##171157	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)

#002159

Deuteranopia (green-blind)

#001B56

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171157;
/* rgb */ color: rgb(23, 17, 87);
/* oklch */ color: oklch(24.5% 0.119 276.8);

Tailwind

colors: {
  custom: {
    50: '#5f5087',
    500: '#171157',
    950: '#000000',
  },
}

SCSS

$custom: #171157;
$custom-light: #5f5087;
$custom-dark: #000000;

JSON

{
  "hex": "#171157",
  "rgb": {
    "r": 23,
    "g": 17,
    "b": 87
  },
  "hsl": {
    "h": 245.143,
    "s": 67.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24523,
    "c": 0.11902,
    "h": 276.8
  },
  "luminance": 0.01271
}

Semantic roles & 50–950 ramp

primary

#171157

secondary

#889034

accent

#EA3EDB

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #171157

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

Preview Lab → · Contrast checker → · Palette generator →