#17245B#17245B

#17245B is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.6% C 0.100 H 269.1°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#17245B
RGB	rgb(23, 36, 91)
HSL	hsl(229, 60%, 22%)
HSV	hsv(229, 75%, 36%)
CMYK	cmyk(74.7%, 60.4%, 0%, 64.3%)
CIE-LAB	lab(16.50, 15.65, -34.71)
CIE-LCH	lch(16.50, 38.07, 294.27°)
OKLab	oklab(28.61% -0.0016 -0.0999)
OKLCH	oklch(28.61% 0.1 269.1)
XYZ	xyz(2.8719, 2.1990, 10.1686)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17245B #5B4E17

analogous

#17465B #17245B #2C175B

triadic

#17245B #5B1724 #245B17

tetradic

#17245B #5B1746 #5B4E17 #175B2C

square

#17245B #5B1746 #5B4E17 #175B2C

split-complementary

#17245B #5B2C17 #465B17

monochromatic

#060A18 #0B112A #17245B #23378C #304BBD

Accessibility & contrast

On white

14.59

#17245B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#17245B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17245B

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17245B	#FFFFFF	#000000	##FFFFFF
##17245B	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#00265A

Tritanopia (blue-blind)

#00313B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #17245b;
/* rgb */ color: rgb(23, 36, 91);
/* oklch */ color: oklch(28.6% 0.100 269.1);

Tailwind

colors: {
  custom: {
    50: '#5e5e8a',
    500: '#17245b',
    950: '#000000',
  },
}

SCSS

$custom: #17245b;
$custom-light: #5e5e8a;
$custom-dark: #000000;

JSON

{
  "hex": "#17245b",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 91
  },
  "hsl": {
    "h": 228.529,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.28609,
    "c": 0.09996,
    "h": 269.1
  },
  "luminance": 0.02199
}

Semantic roles & 50–950 ramp

primary

#17245B

secondary

#92813C

accent

#C545E3

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #17245B

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

Preview Lab → · Contrast checker → · Palette generator →