#170E48#170E48

#170E48 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.101 H 281.4°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#170E48
RGB	rgb(23, 14, 72)
HSL	hsl(249, 67%, 17%)
HSV	hsv(249, 81%, 28%)
CMYK	cmyk(68.1%, 80.6%, 0%, 71.8%)
CIE-LAB	lab(8.69, 23.82, -34.49)
CIE-LCH	lch(8.69, 41.92, 304.63°)
OKLab	oklab(22.32% 0.0201 -0.0994)
OKLCH	oklch(22.32% 0.101 281.4)
XYZ	xyz(1.6797, 0.9640, 6.2272)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E48 #3F480E

analogous

#0E2248 #170E48 #340E48

triadic

#170E48 #48170E #0E4817

tetradic

#170E48 #480E22 #3F480E #0E4834

square

#170E48 #480E22 #3F480E #0E4834

split-complementary

#170E48 #48340E #22480E

monochromatic

#08051A #08051A #170E48 #27187B #3822AE

Accessibility & contrast

On white

17.61

#170E48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#170E48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E48

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E48	#FFFFFF	#000000	##FFFFFF
##170E48	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4A

Deuteranopia (green-blind)

#001747

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #170e48;
/* rgb */ color: rgb(23, 14, 72);
/* oklch */ color: oklch(22.3% 0.101 281.4);

Tailwind

colors: {
  custom: {
    50: '#5c4d7c',
    500: '#170e48',
    950: '#000000',
  },
}

SCSS

$custom: #170e48;
$custom-light: #5c4d7c;
$custom-dark: #000000;

JSON

{
  "hex": "#170e48",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 72
  },
  "hsl": {
    "h": 249.31,
    "s": 67.442,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2232,
    "c": 0.10145,
    "h": 281.4
  },
  "luminance": 0.00964
}

Semantic roles & 50–950 ramp

primary

#170E48

secondary

#76832F

accent

#EA3DD0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#040109

muted

#79777B

Preview Lab

Preview with #170E48

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

Preview Lab → · Contrast checker → · Palette generator →