#17316C#17316C

#17316C is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.1% C 0.108 H 263.7°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#17316C
RGB	rgb(23, 49, 108)
HSL	hsl(222, 65%, 26%)
HSV	hsv(222, 79%, 42%)
CMYK	cmyk(78.7%, 54.6%, 0%, 57.6%)
CIE-LAB	lab(21.80, 13.23, -37.27)
CIE-LCH	lch(21.80, 39.55, 289.54°)
OKLab	oklab(33.05% -0.0119 -0.1072)
OKLCH	oklch(33.05% 0.108 263.7)
XYZ	xyz(4.1575, 3.4610, 14.6334)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17316C #6C5217

analogous

#175B6C #17316C #27176C

triadic

#17316C #6C1731 #316C17

tetradic

#17316C #6C175B #6C5217 #176C27

square

#17316C #6C175B #6C5217 #176C27

split-complementary

#17316C #6C2717 #5B6C17

monochromatic

#050B19 #0C1A3A #17316C #22489E #2C5FD1

Accessibility & contrast

On white

12.41

#17316C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#17316C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17316C

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17316C	#FFFFFF	#000000	##FFFFFF
##17316C	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A386E

Deuteranopia (green-blind)

#00316B

Tritanopia (blue-blind)

#003F49

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17316c;
/* rgb */ color: rgb(23, 49, 108);
/* oklch */ color: oklch(33.1% 0.108 263.7);

Tailwind

colors: {
  custom: {
    50: '#626897',
    500: '#17316c',
    950: '#000000',
  },
}

SCSS

$custom: #17316c;
$custom-light: #626897;
$custom-dark: #000000;

JSON

{
  "hex": "#17316c",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 108
  },
  "hsl": {
    "h": 221.647,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.33051,
    "c": 0.10791,
    "h": 263.7
  },
  "luminance": 0.03461
}

Semantic roles & 50–950 ramp

primary

#17316C

secondary

#A2833D

accent

#B440E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17316C

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

Preview Lab → · Contrast checker → · Palette generator →