#170F46#170F46

#170F46 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.097 H 281.7°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#170F46
RGB	rgb(23, 15, 70)
HSL	hsl(249, 65%, 17%)
HSV	hsv(249, 79%, 27%)
CMYK	cmyk(67.1%, 78.6%, 0%, 72.5%)
CIE-LAB	lab(8.70, 22.44, -33.06)
CIE-LCH	lch(8.70, 39.96, 304.16°)
OKLab	oklab(22.26% 0.0197 -0.0953)
OKLCH	oklch(22.26% 0.097 281.7)
XYZ	xyz(1.6293, 0.9659, 5.8937)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F46 #3E460F

analogous

#0F2346 #170F46 #330F46

triadic

#170F46 #46170F #0F4617

tetradic

#170F46 #460F23 #3E460F #0F4633

square

#170F46 #460F23 #3E460F #0F4633

split-complementary

#170F46 #46330F #23460F

monochromatic

#080519 #080519 #170F46 #281A78 #3825AB

Accessibility & contrast

On white

17.60

#170F46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#170F46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F46

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F46	#FFFFFF	#000000	##FFFFFF
##170F46	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B48

Deuteranopia (green-blind)

#001745

Tritanopia (blue-blind)

#001E29

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #170f46;
/* rgb */ color: rgb(23, 15, 70);
/* oklch */ color: oklch(22.3% 0.097 281.7);

Tailwind

colors: {
  custom: {
    50: '#5b4e7a',
    500: '#170f46',
    950: '#000000',
  },
}

SCSS

$custom: #170f46;
$custom-light: #5b4e7a;
$custom-dark: #000000;

JSON

{
  "hex": "#170f46",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 70
  },
  "hsl": {
    "h": 248.727,
    "s": 64.706,
    "l": 16.667
  },
  "oklch": {
    "l": 0.22265,
    "c": 0.09728,
    "h": 281.7
  },
  "luminance": 0.00966
}

Semantic roles & 50–950 ramp

primary

#170F46

secondary

#758030

accent

#E840CF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #170F46

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

Preview Lab → · Contrast checker → · Palette generator →