#170E52#170E52

#170E52 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.5% C 0.115 H 278.7°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#170E52
RGB	rgb(23, 14, 82)
HSL	hsl(248, 71%, 19%)
HSV	hsv(248, 83%, 32%)
CMYK	cmyk(72%, 82.9%, 0%, 67.8%)
CIE-LAB	lab(9.84, 27.41, -39.52)
CIE-LCH	lch(9.84, 48.10, 304.75°)
OKLab	oklab(23.48% 0.0174 -0.1141)
OKLCH	oklch(23.48% 0.115 278.7)
XYZ	xyz(2.0329, 1.1053, 8.0872)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E52 #49520E

analogous

#0E2752 #170E52 #390E52

triadic

#170E52 #52170E #0E5217

tetradic

#170E52 #520E27 #49520E #0E5239

square

#170E52 #520E27 #49520E #0E5239

split-complementary

#170E52 #52390E #27520E

monochromatic

#07041A #08051E #170E52 #261786 #3420BB

Accessibility & contrast

On white

17.20

#170E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#170E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E52

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E52	#FFFFFF	#000000	##FFFFFF
##170E52	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E54

Deuteranopia (green-blind)

#001851

Tritanopia (blue-blind)

#00222F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #170e52;
/* rgb */ color: rgb(23, 14, 82);
/* oklch */ color: oklch(23.5% 0.115 278.7);

Tailwind

colors: {
  custom: {
    50: '#5e4e83',
    500: '#170e52',
    950: '#000000',
  },
}

SCSS

$custom: #170e52;
$custom-light: #5e4e83;
$custom-dark: #000000;

JSON

{
  "hex": "#170e52",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 82
  },
  "hsl": {
    "h": 247.941,
    "s": 70.833,
    "l": 18.824
  },
  "oklch": {
    "l": 0.2348,
    "c": 0.11545,
    "h": 278.7
  },
  "luminance": 0.01105
}

Semantic roles & 50–950 ramp

primary

#170E52

secondary

#808C2F

accent

#EE3AD6

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #170E52

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

Preview Lab → · Contrast checker → · Palette generator →