#17205C#17205C

#17205C is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.8% C 0.107 H 271.1°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#17205C
RGB	rgb(23, 32, 92)
HSL	hsl(232, 60%, 23%)
HSV	hsv(232, 75%, 36%)
CMYK	cmyk(75%, 65.2%, 0%, 63.9%)
CIE-LAB	lab(15.42, 19.00, -37.13)
CIE-LCH	lch(15.42, 41.71, 297.10°)
OKLab	oklab(27.83% 0.002 -0.1071)
OKLCH	oklch(27.83% 0.107 271.1)
XYZ	xyz(2.8010, 1.9876, 10.3592)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17205C #5C5317

analogous

#17425C #17205C #31175C

triadic

#17205C #5C1720 #205C17

tetradic

#17205C #5C1742 #5C5317 #175C31

square

#17205C #5C1742 #5C5317 #175C31

split-complementary

#17205C #5C3117 #425C17

monochromatic

#060918 #0B0F2B #17205C #23318D #2F42BE

Accessibility & contrast

On white

15.03

#17205C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#17205C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17205C

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17205C	#FFFFFF	#000000	##FFFFFF
##17205C	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5E

Deuteranopia (green-blind)

#00235B

Tritanopia (blue-blind)

#002F3A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #17205c;
/* rgb */ color: rgb(23, 32, 92);
/* oklch */ color: oklch(27.8% 0.107 271.1);

Tailwind

colors: {
  custom: {
    50: '#5f5b8b',
    500: '#17205c',
    950: '#000000',
  },
}

SCSS

$custom: #17205c;
$custom-light: #5f5b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#17205c",
  "rgb": {
    "r": 23,
    "g": 32,
    "b": 92
  },
  "hsl": {
    "h": 232.174,
    "s": 60,
    "l": 22.549
  },
  "oklch": {
    "l": 0.27834,
    "c": 0.10713,
    "h": 271.1
  },
  "luminance": 0.01988
}

Semantic roles & 50–950 ramp

primary

#17205C

secondary

#93873C

accent

#CE45E3

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #17205C

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

Preview Lab → · Contrast checker → · Palette generator →