#17357A#17357A

#17357A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.123 H 263.6°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#17357A
RGB	rgb(23, 53, 122)
HSL	hsl(222, 68%, 28%)
HSV	hsv(222, 81%, 48%)
CMYK	cmyk(81.1%, 56.6%, 0%, 52.2%)
CIE-LAB	lab(24.11, 16.19, -42.49)
CIE-LCH	lch(24.11, 45.47, 290.85°)
OKLab	oklab(35.15% -0.0138 -0.1225)
OKLCH	oklch(35.15% 0.123 263.6)
XYZ	xyz(5.1381, 4.1329, 18.9355)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17357A #7A5C17

analogous

#17667A #17357A #2A177A

triadic

#17357A #7A1735 #357A17

tetradic

#17357A #7A1766 #7A5C17 #177A2A

square

#17357A #7A1766 #7A5C17 #177A2A

split-complementary

#17357A #7A2A17 #667A17

monochromatic

#050B1A #0D1F47 #17357A #214BAD #3365D9

Accessibility & contrast

On white

11.50

#17357A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#17357A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17357A

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17357A	#FFFFFF	#000000	##FFFFFF
##17357A	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7C

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17357a;
/* rgb */ color: rgb(23, 53, 122);
/* oklch */ color: oklch(35.1% 0.123 263.6);

Tailwind

colors: {
  custom: {
    50: '#656ba1',
    500: '#17357a',
    950: '#000000',
  },
}

SCSS

$custom: #17357a;
$custom-light: #656ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#17357a",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 122
  },
  "hsl": {
    "h": 221.818,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35148,
    "c": 0.12329,
    "h": 263.6
  },
  "luminance": 0.04134
}

Semantic roles & 50–950 ramp

primary

#17357A

secondary

#AF8D3E

accent

#B63DEB

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #17357A

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

Preview Lab → · Contrast checker → · Palette generator →