#17166E#17166E

#17166E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.145 H 272.5°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#17166E
RGB	rgb(23, 22, 110)
HSL	hsl(241, 67%, 26%)
HSV	hsv(241, 80%, 43%)
CMYK	cmyk(79.1%, 80%, 0%, 56.9%)
CIE-LAB	lab(14.85, 32.63, -49.94)
CIE-LCH	lch(14.85, 59.65, 303.16°)
OKLab	oklab(28% 0.0062 -0.1445)
OKLCH	oklch(28% 0.145 272.5)
XYZ	xyz(3.4538, 1.8814, 14.9300)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17166E #6D6E16

analogous

#16416E #17166E #43166E

triadic

#17166E #6E1716 #166E17

tetradic

#17166E #6E1641 #6D6E16 #166E43

square

#17166E #6E1641 #6D6E16 #166E43

split-complementary

#17166E #6E4316 #416E16

monochromatic

#05051A #0C0C3B #17166E #2220A1 #2C2AD4

Accessibility & contrast

On white

15.26

#17166E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#17166E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17166E

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17166E	#FFFFFF	#000000	##FFFFFF
##17166E	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A71

Deuteranopia (green-blind)

#00216C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17166e;
/* rgb */ color: rgb(23, 22, 110);
/* oklch */ color: oklch(28.0% 0.145 272.5);

Tailwind

colors: {
  custom: {
    50: '#655599',
    500: '#17166e',
    950: '#000000',
  },
}

SCSS

$custom: #17166e;
$custom-light: #655599;
$custom-dark: #000000;

JSON

{
  "hex": "#17166e",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 110
  },
  "hsl": {
    "h": 240.682,
    "s": 66.667,
    "l": 25.882
  },
  "oklch": {
    "l": 0.27997,
    "c": 0.14467,
    "h": 272.5
  },
  "luminance": 0.01882
}

Semantic roles & 50–950 ramp

primary

#17166E

secondary

#A3A43C

accent

#EA3EE8

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #17166E

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

Preview Lab → · Contrast checker → · Palette generator →