#171E6A#171E6A

#171E6A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 28.9% C 0.130 H 271.1°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#171E6A
RGB	rgb(23, 30, 106)
HSL	hsl(235, 64%, 25%)
HSV	hsv(235, 78%, 42%)
CMYK	cmyk(78.3%, 71.7%, 0%, 58.4%)
CIE-LAB	lab(16.26, 25.99, -45.01)
CIE-LCH	lch(16.26, 51.97, 300.00°)
OKLab	oklab(28.87% 0.0026 -0.1302)
OKLCH	oklch(28.87% 0.13 271.1)
XYZ	xyz(3.4183, 2.1510, 13.8679)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E6A #6A6317

analogous

#17476A #171E6A #3A176A

triadic

#171E6A #6A171E #1E6A17

tetradic

#171E6A #6A1747 #6A6317 #176A3A

square

#171E6A #6A1747 #6A6317 #176A3A

split-complementary

#171E6A #6A3A17 #476A17

monochromatic

#050719 #0C1038 #171E6A #222C9C #2D3ACF

Accessibility & contrast

On white

14.68

#171E6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#171E6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E6A

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E6A	#FFFFFF	#000000	##FFFFFF
##171E6A	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6C

Deuteranopia (green-blind)

#002469

Tritanopia (blue-blind)

#003341

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171e6a;
/* rgb */ color: rgb(23, 30, 106);
/* oklch */ color: oklch(28.9% 0.130 271.1);

Tailwind

colors: {
  custom: {
    50: '#635a95',
    500: '#171e6a',
    950: '#000000',
  },
}

SCSS

$custom: #171e6a;
$custom-light: #635a95;
$custom-dark: #000000;

JSON

{
  "hex": "#171e6a",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 106
  },
  "hsl": {
    "h": 234.94,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28871,
    "c": 0.13023,
    "h": 271.1
  },
  "luminance": 0.02151
}

Semantic roles & 50–950 ramp

primary

#171E6A

secondary

#A0983D

accent

#D940E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171E6A

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

Preview Lab → · Contrast checker → · Palette generator →