#17306C#17306C

#17306C is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.109 H 264.2°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#17306C
RGB	rgb(23, 48, 108)
HSL	hsl(222, 65%, 26%)
HSV	hsv(222, 79%, 42%)
CMYK	cmyk(78.7%, 55.6%, 0%, 57.6%)
CIE-LAB	lab(21.50, 13.95, -37.76)
CIE-LCH	lch(21.50, 40.25, 290.28°)
OKLab	oklab(32.82% -0.0111 -0.1087)
OKLCH	oklch(32.82% 0.109 264.2)
XYZ	xyz(4.1161, 3.3783, 14.6196)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17306C #6C5317

analogous

#175A6C #17306C #28176C

triadic

#17306C #6C1730 #306C17

tetradic

#17306C #6C175A #6C5317 #176C28

square

#17306C #6C175A #6C5317 #176C28

split-complementary

#17306C #6C2817 #5A6C17

monochromatic

#050B19 #0C1A3A #17306C #22469E #2C5DD1

Accessibility & contrast

On white

12.53

#17306C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#17306C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17306C

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17306C	#FFFFFF	#000000	##FFFFFF
##17306C	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06386E

Deuteranopia (green-blind)

#00306B

Tritanopia (blue-blind)

#003F49

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17306c;
/* rgb */ color: rgb(23, 48, 108);
/* oklch */ color: oklch(32.8% 0.109 264.2);

Tailwind

colors: {
  custom: {
    50: '#626797',
    500: '#17306c',
    950: '#000000',
  },
}

SCSS

$custom: #17306c;
$custom-light: #626797;
$custom-dark: #000000;

JSON

{
  "hex": "#17306c",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 108
  },
  "hsl": {
    "h": 222.353,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.32821,
    "c": 0.10927,
    "h": 264.2
  },
  "luminance": 0.03379
}

Semantic roles & 50–950 ramp

primary

#17306C

secondary

#A2843D

accent

#B640E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17306C

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

Preview Lab → · Contrast checker → · Palette generator →