#17316E#17316E

#17316E is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.111 H 263.9°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#17316E
RGB	rgb(23, 49, 110)
HSL	hsl(222, 65%, 26%)
HSV	hsv(222, 79%, 43%)
CMYK	cmyk(79.1%, 55.5%, 0%, 56.9%)
CIE-LAB	lab(21.96, 14.06, -38.30)
CIE-LCH	lch(21.96, 40.80, 290.16°)
OKLab	oklab(33.22% -0.0117 -0.1103)
OKLCH	oklch(33.22% 0.111 263.9)
XYZ	xyz(4.2651, 3.5041, 15.2004)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17316E #6E5417

analogous

#175C6E #17316E #28176E

triadic

#17316E #6E1731 #316E17

tetradic

#17316E #6E175C #6E5417 #176E28

square

#17316E #6E175C #6E5417 #176E28

split-complementary

#17316E #6E2817 #5C6E17

monochromatic

#050B19 #0C1A3B #17316E #2248A1 #2C5ED3

Accessibility & contrast

On white

12.35

#17316E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#17316E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17316E

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17316E	#FFFFFF	#000000	##FFFFFF
##17316E	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063970

Deuteranopia (green-blind)

#00316D

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17316e;
/* rgb */ color: rgb(23, 49, 110);
/* oklch */ color: oklch(33.2% 0.111 263.9);

Tailwind

colors: {
  custom: {
    50: '#626898',
    500: '#17316e',
    950: '#000000',
  },
}

SCSS

$custom: #17316e;
$custom-light: #626898;
$custom-dark: #000000;

JSON

{
  "hex": "#17316e",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 110
  },
  "hsl": {
    "h": 222.069,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.33219,
    "c": 0.11092,
    "h": 263.9
  },
  "luminance": 0.03505
}

Semantic roles & 50–950 ramp

primary

#17316E

secondary

#A4853D

accent

#B63FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #17316E

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

Preview Lab → · Contrast checker → · Palette generator →