#17316F#17316F

#17316F is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.3% C 0.112 H 264.1°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#17316F
RGB	rgb(23, 49, 111)
HSL	hsl(222, 66%, 26%)
HSV	hsv(222, 79%, 44%)
CMYK	cmyk(79.3%, 55.9%, 0%, 56.5%)
CIE-LAB	lab(22.04, 14.48, -38.82)
CIE-LCH	lch(22.04, 41.43, 290.45°)
OKLab	oklab(33.3% -0.0116 -0.1118)
OKLCH	oklch(33.3% 0.112 264.1)
XYZ	xyz(4.3199, 3.5260, 15.4888)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17316F #6F5517

analogous

#175D6F #17316F #29176F

triadic

#17316F #6F1731 #316F17

tetradic

#17316F #6F175D #6F5517 #176F29

square

#17316F #6F175D #6F5517 #176F29

split-complementary

#17316F #6F2917 #5D6F17

monochromatic

#050B19 #0C1B3C #17316F #2247A2 #2D5ED3

Accessibility & contrast

On white

12.32

#17316F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#17316F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17316F

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17316F	#FFFFFF	#000000	##FFFFFF
##17316F	1.00	12.32	1.71	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043971

Deuteranopia (green-blind)

#00316E

Tritanopia (blue-blind)

#00404B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17316f;
/* rgb */ color: rgb(23, 49, 111);
/* oklch */ color: oklch(33.3% 0.112 264.1);

Tailwind

colors: {
  custom: {
    50: '#636899',
    500: '#17316f',
    950: '#000000',
  },
}

SCSS

$custom: #17316f;
$custom-light: #636899;
$custom-dark: #000000;

JSON

{
  "hex": "#17316f",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 111
  },
  "hsl": {
    "h": 222.273,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33304,
    "c": 0.11242,
    "h": 264.1
  },
  "luminance": 0.03526
}

Semantic roles & 50–950 ramp

primary

#17316F

secondary

#A5863D

accent

#B73FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #17316F

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

Preview Lab → · Contrast checker → · Palette generator →