#170E54#170E54

#170E54 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.7% C 0.118 H 278.2°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#170E54
RGB	rgb(23, 14, 84)
HSL	hsl(248, 71%, 19%)
HSV	hsv(248, 83%, 33%)
CMYK	cmyk(72.6%, 83.3%, 0%, 67.1%)
CIE-LAB	lab(10.08, 28.12, -40.50)
CIE-LCH	lch(10.08, 49.30, 304.78°)
OKLab	oklab(23.72% 0.0169 -0.117)
OKLCH	oklch(23.72% 0.118 278.2)
XYZ	xyz(2.1101, 1.1361, 8.4939)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E54 #4B540E

analogous

#0E2854 #170E54 #3A0E54

triadic

#170E54 #54170E #0E5417

tetradic

#170E54 #540E28 #4B540E #0E543A

square

#170E54 #540E28 #4B540E #0E543A

split-complementary

#170E54 #543A0E #28540E

monochromatic

#07041A #090520 #170E54 #251788 #341FBD

Accessibility & contrast

On white

17.11

#170E54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#170E54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E54

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E54	#FFFFFF	#000000	##FFFFFF
##170E54	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E56

Deuteranopia (green-blind)

#001953

Tritanopia (blue-blind)

#002330

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #170e54;
/* rgb */ color: rgb(23, 14, 84);
/* oklch */ color: oklch(23.7% 0.118 278.2);

Tailwind

colors: {
  custom: {
    50: '#5f4e85',
    500: '#170e54',
    950: '#000000',
  },
}

SCSS

$custom: #170e54;
$custom-light: #5f4e85;
$custom-dark: #000000;

JSON

{
  "hex": "#170e54",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 84
  },
  "hsl": {
    "h": 247.714,
    "s": 71.429,
    "l": 19.216
  },
  "oklch": {
    "l": 0.23718,
    "c": 0.11818,
    "h": 278.2
  },
  "luminance": 0.01136
}

Semantic roles & 50–950 ramp

primary

#170E54

secondary

#828E2F

accent

#EE3AD7

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #170E54

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

Preview Lab → · Contrast checker → · Palette generator →