#17207B#17207B

#17207B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.151 H 269.8°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#17207B
RGB	rgb(23, 32, 123)
HSL	hsl(235, 68%, 29%)
HSV	hsv(235, 81%, 48%)
CMYK	cmyk(81.3%, 74%, 0%, 51.8%)
CIE-LAB	lab(18.56, 31.16, -52.20)
CIE-LCH	lch(18.56, 60.79, 300.83°)
OKLab	oklab(31.08% -0.0006 -0.1512)
OKLCH	oklch(31.08% 0.151 269.8)
XYZ	xyz(4.4438, 2.6447, 19.0113)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17207B #7B7217

analogous

#17527B #17207B #40177B

triadic

#17207B #7B1720 #207B17

tetradic

#17207B #7B1752 #7B7217 #177B40

square

#17207B #7B1752 #7B7217 #177B40

split-complementary

#17207B #7B4017 #527B17

monochromatic

#05071A #0D1347 #17207B #212DAF #3342D9

Accessibility & contrast

On white

13.73

#17207B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#17207B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17207B

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17207B	#FFFFFF	#000000	##FFFFFF
##17207B	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #17207b;
/* rgb */ color: rgb(23, 32, 123);
/* oklch */ color: oklch(31.1% 0.151 269.8);

Tailwind

colors: {
  custom: {
    50: '#685ca2',
    500: '#17207b',
    950: '#000000',
  },
}

SCSS

$custom: #17207b;
$custom-light: #685ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#17207b",
  "rgb": {
    "r": 23,
    "g": 32,
    "b": 123
  },
  "hsl": {
    "h": 234.6,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31078,
    "c": 0.15117,
    "h": 269.8
  },
  "luminance": 0.02645
}

Semantic roles & 50–950 ramp

primary

#17207B

secondary

#B0A63E

accent

#DC3CEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #17207B

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

Preview Lab → · Contrast checker → · Palette generator →