#171258#171258

#171258 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.8% C 0.119 H 276.4°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#171258
RGB	rgb(23, 18, 88)
HSL	hsl(244, 66%, 21%)
HSV	hsv(244, 80%, 35%)
CMYK	cmyk(73.9%, 79.5%, 0%, 65.5%)
CIE-LAB	lab(11.41, 27.12, -41.02)
CIE-LCH	lch(11.41, 49.17, 303.47°)
OKLab	oklab(24.8% 0.0133 -0.1185)
OKLCH	oklch(24.8% 0.119 276.4)
XYZ	xyz(2.3305, 1.3191, 9.3624)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171258 #535812

analogous

#123058 #171258 #3A1258

triadic

#171258 #581712 #125817

tetradic

#171258 #581230 #535812 #12583A

square

#171258 #581230 #535812 #12583A

split-complementary

#171258 #583A12 #305812

monochromatic

#070519 #0A0825 #171258 #241C8B #3227BE

Accessibility & contrast

On white

16.62

#171258 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#171258 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171258

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171258	#FFFFFF	#000000	##FFFFFF
##171258	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215A

Deuteranopia (green-blind)

#001B57

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171258;
/* rgb */ color: rgb(23, 18, 88);
/* oklch */ color: oklch(24.8% 0.119 276.4);

Tailwind

colors: {
  custom: {
    50: '#5f5188',
    500: '#171258',
    950: '#000000',
  },
}

SCSS

$custom: #171258;
$custom-light: #5f5188;
$custom-dark: #000000;

JSON

{
  "hex": "#171258",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 88
  },
  "hsl": {
    "h": 244.286,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24797,
    "c": 0.11928,
    "h": 276.4
  },
  "luminance": 0.01319
}

Semantic roles & 50–950 ramp

primary

#171258

secondary

#8A9135

accent

#E93FDD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #171258

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

Preview Lab → · Contrast checker → · Palette generator →