#17347E#17347E

#17347E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.130 H 264.4°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#17347E
RGB	rgb(23, 52, 126)
HSL	hsl(223, 69%, 29%)
HSV	hsv(223, 82%, 49%)
CMYK	cmyk(81.7%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(24.14, 18.55, -44.96)
CIE-LCH	lch(24.14, 48.63, 292.42°)
OKLab	oklab(35.28% -0.0127 -0.1298)
OKLCH	oklch(35.28% 0.13 264.4)
XYZ	xyz(5.3459, 4.1439, 20.2527)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17347E #7E6117

analogous

#17687E #17347E #2E177E

triadic

#17347E #7E1734 #347E17

tetradic

#17347E #7E1768 #7E6117 #177E2E

square

#17347E #7E1768 #7E6117 #177E2E

split-complementary

#17347E #7E2E17 #687E17

monochromatic

#050B1A #0E1F4A #17347E #2049B2 #3564DA

Accessibility & contrast

On white

11.48

#17347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#17347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17347E

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17347E	#FFFFFF	#000000	##FFFFFF
##17347E	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00357D

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17347e;
/* rgb */ color: rgb(23, 52, 126);
/* oklch */ color: oklch(35.3% 0.130 264.4);

Tailwind

colors: {
  custom: {
    50: '#666ba4',
    500: '#17347e',
    950: '#000000',
  },
}

SCSS

$custom: #17347e;
$custom-light: #666ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#17347e",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 223.107,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35278,
    "c": 0.13042,
    "h": 264.4
  },
  "luminance": 0.04144
}

Semantic roles & 50–950 ramp

primary

#17347E

secondary

#B3923E

accent

#BA3CEC

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #17347E

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

Preview Lab → · Contrast checker → · Palette generator →