#17306F#17306F

#17306F is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.1% C 0.114 H 264.6°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#17306F
RGB	rgb(23, 48, 111)
HSL	hsl(223, 66%, 26%)
HSV	hsv(223, 79%, 44%)
CMYK	cmyk(79.3%, 56.8%, 0%, 56.5%)
CIE-LAB	lab(21.74, 15.20, -39.31)
CIE-LCH	lch(21.74, 42.14, 291.14°)
OKLab	oklab(33.08% -0.0108 -0.1133)
OKLCH	oklch(33.08% 0.114 264.6)
XYZ	xyz(4.2785, 3.4433, 15.4750)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17306F #6F5617

analogous

#175C6F #17306F #2A176F

triadic

#17306F #6F1730 #306F17

tetradic

#17306F #6F175C #6F5617 #176F2A

square

#17306F #6F175C #6F5617 #176F2A

split-complementary

#17306F #6F2A17 #5C6F17

monochromatic

#050B19 #0C1A3C #17306F #2246A2 #2D5CD3

Accessibility & contrast

On white

12.43

#17306F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#17306F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17306F

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17306F	#FFFFFF	#000000	##FFFFFF
##17306F	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003871

Deuteranopia (green-blind)

#00306E

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17306f;
/* rgb */ color: rgb(23, 48, 111);
/* oklch */ color: oklch(33.1% 0.114 264.6);

Tailwind

colors: {
  custom: {
    50: '#636799',
    500: '#17306f',
    950: '#000000',
  },
}

SCSS

$custom: #17306f;
$custom-light: #636799;
$custom-dark: #000000;

JSON

{
  "hex": "#17306f",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 222.955,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33077,
    "c": 0.11377,
    "h": 264.6
  },
  "luminance": 0.03444
}

Semantic roles & 50–950 ramp

primary

#17306F

secondary

#A5873D

accent

#B83FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #17306F

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

Preview Lab → · Contrast checker → · Palette generator →