#17155A#17155A

#17155A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.119 H 275.2°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#17155A
RGB	rgb(23, 21, 90)
HSL	hsl(242, 62%, 22%)
HSV	hsv(242, 77%, 35%)
CMYK	cmyk(74.4%, 76.7%, 0%, 64.7%)
CIE-LAB	lab(12.33, 25.92, -40.86)
CIE-LCH	lch(12.33, 48.39, 302.40°)
OKLab	oklab(25.52% 0.0108 -0.1181)
OKLCH	oklch(25.52% 0.119 275.2)
XYZ	xyz(2.4664, 1.4564, 9.8220)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17155A #585A15

analogous

#15365A #17155A #3A155A

triadic

#17155A #5A1715 #155A17

tetradic

#17155A #5A1536 #585A15 #155A3A

square

#17155A #5A1536 #585A15 #155A3A

split-complementary

#17155A #5A3A15 #365A15

monochromatic

#060619 #0A0928 #17155A #24218C #302CBD

Accessibility & contrast

On white

16.26

#17155A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#17155A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17155A

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17155A	#FFFFFF	#000000	##FFFFFF
##17155A	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235C

Deuteranopia (green-blind)

#001D59

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #17155a;
/* rgb */ color: rgb(23, 21, 90);
/* oklch */ color: oklch(25.5% 0.119 275.2);

Tailwind

colors: {
  custom: {
    50: '#605389',
    500: '#17155a',
    950: '#000000',
  },
}

SCSS

$custom: #17155a;
$custom-light: #605389;
$custom-dark: #000000;

JSON

{
  "hex": "#17155a",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 90
  },
  "hsl": {
    "h": 241.739,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25519,
    "c": 0.11858,
    "h": 275.2
  },
  "luminance": 0.01457
}

Semantic roles & 50–950 ramp

primary

#17155A

secondary

#8F9239

accent

#E543E1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #17155A

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

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