#17205A#17205A

#17205A is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.104 H 271.1°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#17205A
RGB	rgb(23, 32, 90)
HSL	hsl(232, 59%, 22%)
HSV	hsv(232, 74%, 35%)
CMYK	cmyk(74.4%, 64.4%, 0%, 64.7%)
CIE-LAB	lab(15.24, 18.19, -36.09)
CIE-LCH	lch(15.24, 40.41, 296.75°)
OKLab	oklab(27.64% 0.0021 -0.1041)
OKLCH	oklch(27.64% 0.104 271.1)
XYZ	xyz(2.7147, 1.9531, 9.9048)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17205A #5A5117

analogous

#17425A #17205A #2F175A

triadic

#17205A #5A1720 #205A17

tetradic

#17205A #5A1742 #5A5117 #175A2F

square

#17205A #5A1742 #5A5117 #175A2F

split-complementary

#17205A #5A2F17 #425A17

monochromatic

#060918 #0B0F29 #17205A #23318B #3043BB

Accessibility & contrast

On white

15.10

#17205A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#17205A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17205A

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17205A	#FFFFFF	#000000	##FFFFFF
##17205A	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295C

Deuteranopia (green-blind)

#002359

Tritanopia (blue-blind)

#002E39

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #17205a;
/* rgb */ color: rgb(23, 32, 90);
/* oklch */ color: oklch(27.6% 0.104 271.1);

Tailwind

colors: {
  custom: {
    50: '#5e5b89',
    500: '#17205a',
    950: '#000000',
  },
}

SCSS

$custom: #17205a;
$custom-light: #5e5b89;
$custom-dark: #000000;

JSON

{
  "hex": "#17205a",
  "rgb": {
    "r": 23,
    "g": 32,
    "b": 90
  },
  "hsl": {
    "h": 231.94,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.27642,
    "c": 0.10408,
    "h": 271.1
  },
  "luminance": 0.01953
}

Semantic roles & 50–950 ramp

primary

#17205A

secondary

#91853C

accent

#CD45E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040B

muted

#79797C

Preview Lab

Preview with #17205A

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

Preview Lab → · Contrast checker → · Palette generator →