#170E45#170E45

#170E45 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.0% C 0.097 H 282.4°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#170E45
RGB	rgb(23, 14, 69)
HSL	hsl(250, 66%, 16%)
HSV	hsv(250, 80%, 27%)
CMYK	cmyk(66.7%, 79.7%, 0%, 72.9%)
CIE-LAB	lab(8.36, 22.73, -32.93)
CIE-LCH	lch(8.36, 40.01, 304.62°)
OKLab	oklab(21.99% 0.0208 -0.0949)
OKLCH	oklch(21.99% 0.097 282.4)
XYZ	xyz(1.5842, 0.9258, 5.7243)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E45 #3C450E

analogous

#0E2145 #170E45 #330E45

triadic

#170E45 #45170E #0E4517

tetradic

#170E45 #450E21 #3C450E #0E4533

square

#170E45 #450E21 #3C450E #0E4533

split-complementary

#170E45 #45330E #21450E

monochromatic

#080519 #080519 #170E45 #281878 #3923AB

Accessibility & contrast

On white

17.72

#170E45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#170E45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E45

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E45	#FFFFFF	#000000	##FFFFFF
##170E45	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A47

Deuteranopia (green-blind)

#001644

Tritanopia (blue-blind)

#001D28

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #170e45;
/* rgb */ color: rgb(23, 14, 69);
/* oklch */ color: oklch(22.0% 0.097 282.4);

Tailwind

colors: {
  custom: {
    50: '#5b4d79',
    500: '#170e45',
    950: '#000000',
  },
}

SCSS

$custom: #170e45;
$custom-light: #5b4d79;
$custom-dark: #000000;

JSON

{
  "hex": "#170e45",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 69
  },
  "hsl": {
    "h": 249.818,
    "s": 66.265,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21985,
    "c": 0.09713,
    "h": 282.4
  },
  "luminance": 0.00926
}

Semantic roles & 50–950 ramp

primary

#170E45

secondary

#73802F

accent

#E93FCD

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #170E45

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

Preview Lab → · Contrast checker → · Palette generator →