#17347D#17347D

#17347D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.129 H 264.3°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#17347D
RGB	rgb(23, 52, 125)
HSL	hsl(223, 69%, 29%)
HSV	hsv(223, 82%, 49%)
CMYK	cmyk(81.6%, 58.4%, 0%, 51%)
CIE-LAB	lab(24.06, 18.14, -44.46)
CIE-LCH	lch(24.06, 48.02, 292.19°)
OKLab	oklab(35.19% -0.0128 -0.1283)
OKLCH	oklch(35.19% 0.129 264.3)
XYZ	xyz(5.2817, 4.1182, 19.9146)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17347D #7D6017

analogous

#17677D #17347D #2D177D

triadic

#17347D #7D1734 #347D17

tetradic

#17347D #7D1767 #7D6017 #177D2D

square

#17347D #7D1767 #7D6017 #177D2D

split-complementary

#17347D #7D2D17 #677D17

monochromatic

#050B1A #0D1E49 #17347D #214AB1 #3564DA

Accessibility & contrast

On white

11.51

#17347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#17347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17347D

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17347D	#FFFFFF	#000000	##FFFFFF
##17347D	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#00357C

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17347d;
/* rgb */ color: rgb(23, 52, 125);
/* oklch */ color: oklch(35.2% 0.129 264.3);

Tailwind

colors: {
  custom: {
    50: '#666aa3',
    500: '#17347d',
    950: '#000000',
  },
}

SCSS

$custom: #17347d;
$custom-light: #666aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#17347d",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 222.941,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35189,
    "c": 0.12897,
    "h": 264.3
  },
  "luminance": 0.04119
}

Semantic roles & 50–950 ramp

primary

#17347D

secondary

#B2913E

accent

#BA3CEC

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #17347D

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

Preview Lab → · Contrast checker → · Palette generator →