#17347F#17347F

#17347F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.4% C 0.132 H 264.5°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#17347F
RGB	rgb(23, 52, 127)
HSL	hsl(223, 69%, 29%)
HSV	hsv(223, 82%, 50%)
CMYK	cmyk(81.9%, 59.1%, 0%, 50.2%)
CIE-LAB	lab(24.23, 18.96, -45.45)
CIE-LCH	lch(24.23, 49.25, 292.64°)
OKLab	oklab(35.37% -0.0127 -0.1312)
OKLCH	oklch(35.37% 0.132 264.5)
XYZ	xyz(5.4107, 4.1698, 20.5942)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17347F #7F6217

analogous

#17687F #17347F #2E177F

triadic

#17347F #7F1734 #347F17

tetradic

#17347F #7F1768 #7F6217 #177F2E

square

#17347F #7F1768 #7F6217 #177F2E

split-complementary

#17347F #7F2E17 #687F17

monochromatic

#050B1A #0E1F4B #17347F #2049B3 #3664DB

Accessibility & contrast

On white

11.45

#17347F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#17347F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17347F

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17347F	#FFFFFF	#000000	##FFFFFF
##17347F	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F82

Deuteranopia (green-blind)

#00357E

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #17347f;
/* rgb */ color: rgb(23, 52, 127);
/* oklch */ color: oklch(35.4% 0.132 264.5);

Tailwind

colors: {
  custom: {
    50: '#676ba5',
    500: '#17347f',
    950: '#000000',
  },
}

SCSS

$custom: #17347f;
$custom-light: #676ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#17347f",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 127
  },
  "hsl": {
    "h": 223.269,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35367,
    "c": 0.13186,
    "h": 264.5
  },
  "luminance": 0.0417
}

Semantic roles & 50–950 ramp

primary

#17347F

secondary

#B4933E

accent

#BB3CEC

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #17347F

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

Preview Lab → · Contrast checker → · Palette generator →