#172159#172159

#172159 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.8% C 0.101 H 270.7°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#172159
RGB	rgb(23, 33, 89)
HSL	hsl(231, 59%, 22%)
HSV	hsv(231, 74%, 35%)
CMYK	cmyk(74.2%, 62.9%, 0%, 65.1%)
CIE-LAB	lab(15.44, 17.04, -35.09)
CIE-LCH	lch(15.44, 39.01, 295.90°)
OKLab	oklab(27.76% 0.0012 -0.1011)
OKLCH	oklch(27.76% 0.101 270.7)
XYZ	xyz(2.6998, 1.9909, 9.6913)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172159 #594F17

analogous

#174259 #172159 #2E1759

triadic

#172159 #591721 #215917

tetradic

#172159 #591742 #594F17 #17592E

square

#172159 #591742 #594F17 #17592E

split-complementary

#172159 #592E17 #425917

monochromatic

#060918 #0A0F28 #172159 #24338A #3045BA

Accessibility & contrast

On white

15.02

#172159 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#172159 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172159

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172159	#FFFFFF	#000000	##FFFFFF
##172159	1.00	15.02	1.40	15.02
#FFFFFF	15.02	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5B

Deuteranopia (green-blind)

#002458

Tritanopia (blue-blind)

#002F39

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #172159;
/* rgb */ color: rgb(23, 33, 89);
/* oklch */ color: oklch(27.8% 0.101 270.7);

Tailwind

colors: {
  custom: {
    50: '#5e5c88',
    500: '#172159',
    950: '#000000',
  },
}

SCSS

$custom: #172159;
$custom-light: #5e5c88;
$custom-dark: #000000;

JSON

{
  "hex": "#172159",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 89
  },
  "hsl": {
    "h": 230.909,
    "s": 58.929,
    "l": 21.961
  },
  "oklch": {
    "l": 0.27763,
    "c": 0.10113,
    "h": 270.7
  },
  "luminance": 0.01991
}

Semantic roles & 50–950 ramp

primary

#172159

secondary

#90833C

accent

#CA46E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040B

muted

#79797C

Preview Lab

Preview with #172159

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

Preview Lab → · Contrast checker → · Palette generator →