#170E4F#170E4F

#170E4F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.111 H 279.4°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#170E4F
RGB	rgb(23, 14, 79)
HSL	hsl(248, 70%, 18%)
HSV	hsv(248, 82%, 31%)
CMYK	cmyk(70.9%, 82.3%, 0%, 69%)
CIE-LAB	lab(9.49, 26.35, -38.04)
CIE-LCH	lch(9.49, 46.27, 304.71°)
OKLab	oklab(23.13% 0.0183 -0.1098)
OKLCH	oklch(23.13% 0.111 279.4)
XYZ	xyz(1.9212, 1.0606, 7.4991)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E4F #464F0E

analogous

#0E254F #170E4F #370E4F

triadic

#170E4F #4F170E #0E4F17

tetradic

#170E4F #4F0E25 #464F0E #0E4F37

square

#170E4F #4F0E25 #464F0E #0E4F37

split-complementary

#170E4F #4F370E #254F0E

monochromatic

#08051A #08051B #170E4F #261783 #3520B7

Accessibility & contrast

On white

17.32

#170E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#170E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E4F

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E4F	#FFFFFF	#000000	##FFFFFF
##170E4F	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D51

Deuteranopia (green-blind)

#00184E

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #170e4f;
/* rgb */ color: rgb(23, 14, 79);
/* oklch */ color: oklch(23.1% 0.111 279.4);

Tailwind

colors: {
  custom: {
    50: '#5d4e81',
    500: '#170e4f',
    950: '#000000',
  },
}

SCSS

$custom: #170e4f;
$custom-light: #5d4e81;
$custom-dark: #000000;

JSON

{
  "hex": "#170e4f",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 79
  },
  "hsl": {
    "h": 248.308,
    "s": 69.892,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23126,
    "c": 0.11132,
    "h": 279.4
  },
  "luminance": 0.01061
}

Semantic roles & 50–950 ramp

primary

#170E4F

secondary

#7D8A2F

accent

#ED3BD4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #170E4F

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

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