#170E49#170E49

#170E49 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.4% C 0.103 H 281.1°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#170E49
RGB	rgb(23, 14, 73)
HSL	hsl(249, 68%, 17%)
HSV	hsv(249, 81%, 29%)
CMYK	cmyk(68.5%, 80.8%, 0%, 71.4%)
CIE-LAB	lab(8.80, 24.19, -35.01)
CIE-LCH	lch(8.80, 42.55, 304.64°)
OKLab	oklab(22.43% 0.0198 -0.101)
OKLCH	oklch(22.43% 0.103 281.1)
XYZ	xyz(1.7126, 0.9771, 6.4004)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E49 #40490E

analogous

#0E2249 #170E49 #350E49

triadic

#170E49 #49170E #0E4917

tetradic

#170E49 #490E22 #40490E #0E4935

square

#170E49 #490E22 #40490E #0E4935

split-complementary

#170E49 #49350E #22490E

monochromatic

#08051A #08051A #170E49 #27187C #3722B0

Accessibility & contrast

On white

17.57

#170E49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#170E49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E49

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E49	#FFFFFF	#000000	##FFFFFF
##170E49	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4B

Deuteranopia (green-blind)

#001748

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #170e49;
/* rgb */ color: rgb(23, 14, 73);
/* oklch */ color: oklch(22.4% 0.103 281.1);

Tailwind

colors: {
  custom: {
    50: '#5c4d7c',
    500: '#170e49',
    950: '#000000',
  },
}

SCSS

$custom: #170e49;
$custom-light: #5c4d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#170e49",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 73
  },
  "hsl": {
    "h": 249.153,
    "s": 67.816,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22434,
    "c": 0.10289,
    "h": 281.1
  },
  "luminance": 0.00977
}

Semantic roles & 50–950 ramp

primary

#170E49

secondary

#77842F

accent

#EB3DD0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #170E49

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

Preview Lab → · Contrast checker → · Palette generator →