#17306A#17306A

#17306A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.7% C 0.106 H 263.9°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#17306A
RGB	rgb(23, 48, 106)
HSL	hsl(222, 64%, 25%)
HSV	hsv(222, 78%, 42%)
CMYK	cmyk(78.3%, 54.7%, 0%, 58.4%)
CIE-LAB	lab(21.34, 13.11, -36.72)
CIE-LCH	lch(21.34, 38.99, 289.66°)
OKLab	oklab(32.65% -0.0113 -0.1056)
OKLCH	oklch(32.65% 0.106 263.9)
XYZ	xyz(4.0109, 3.3362, 14.0654)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17306A #6A5117

analogous

#17596A #17306A #28176A

triadic

#17306A #6A1730 #306A17

tetradic

#17306A #6A1759 #6A5117 #176A28

square

#17306A #6A1759 #6A5117 #176A28

split-complementary

#17306A #6A2817 #596A17

monochromatic

#050B19 #0C1938 #17306A #22479C #2D5ECF

Accessibility & contrast

On white

12.59

#17306A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#17306A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17306A

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17306A	#FFFFFF	#000000	##FFFFFF
##17306A	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A376C

Deuteranopia (green-blind)

#003069

Tritanopia (blue-blind)

#003E48

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17306a;
/* rgb */ color: rgb(23, 48, 106);
/* oklch */ color: oklch(32.7% 0.106 263.9);

Tailwind

colors: {
  custom: {
    50: '#616795',
    500: '#17306a',
    950: '#000000',
  },
}

SCSS

$custom: #17306a;
$custom-light: #616795;
$custom-dark: #000000;

JSON

{
  "hex": "#17306a",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 221.928,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.32652,
    "c": 0.10625,
    "h": 263.9
  },
  "luminance": 0.03337
}

Semantic roles & 50–950 ramp

primary

#17306A

secondary

#A0823D

accent

#B540E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17306A

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

Preview Lab → · Contrast checker → · Palette generator →