#17306E#17306E

#17306E is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.0% C 0.112 H 264.5°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#17306E
RGB	rgb(23, 48, 110)
HSL	hsl(223, 65%, 26%)
HSV	hsv(223, 79%, 43%)
CMYK	cmyk(79.1%, 56.4%, 0%, 56.9%)
CIE-LAB	lab(21.66, 14.78, -38.79)
CIE-LCH	lch(21.66, 41.51, 290.86°)
OKLab	oklab(32.99% -0.0108 -0.1117)
OKLCH	oklch(32.99% 0.112 264.5)
XYZ	xyz(4.2238, 3.4214, 15.1866)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17306E #6E5517

analogous

#175B6E #17306E #29176E

triadic

#17306E #6E1730 #306E17

tetradic

#17306E #6E175B #6E5517 #176E29

square

#17306E #6E175B #6E5517 #176E29

split-complementary

#17306E #6E2917 #5B6E17

monochromatic

#050B19 #0C1A3B #17306E #2246A1 #2C5CD3

Accessibility & contrast

On white

12.47

#17306E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#17306E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17306E

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17306E	#FFFFFF	#000000	##FFFFFF
##17306E	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023870

Deuteranopia (green-blind)

#00306D

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17306e;
/* rgb */ color: rgb(23, 48, 110);
/* oklch */ color: oklch(33.0% 0.112 264.5);

Tailwind

colors: {
  custom: {
    50: '#626798',
    500: '#17306e',
    950: '#000000',
  },
}

SCSS

$custom: #17306e;
$custom-light: #626798;
$custom-dark: #000000;

JSON

{
  "hex": "#17306e",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 110
  },
  "hsl": {
    "h": 222.759,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.32991,
    "c": 0.11228,
    "h": 264.5
  },
  "luminance": 0.03422
}

Semantic roles & 50–950 ramp

primary

#17306E

secondary

#A4863D

accent

#B83FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #17306E

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

Preview Lab → · Contrast checker → · Palette generator →