#171E6E#171E6E

#171E6E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.136 H 270.9°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#171E6E
RGB	rgb(23, 30, 110)
HSL	hsl(235, 65%, 26%)
HSV	hsv(235, 79%, 43%)
CMYK	cmyk(79.1%, 72.7%, 0%, 56.9%)
CIE-LAB	lab(16.68, 27.53, -46.92)
CIE-LCH	lch(16.68, 54.40, 300.40°)
OKLab	oklab(29.3% 0.0021 -0.1358)
OKLCH	oklch(29.3% 0.136 270.9)
XYZ	xyz(3.6311, 2.2361, 14.9891)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E6E #6E6717

analogous

#17496E #171E6E #3B176E

triadic

#171E6E #6E171E #1E6E17

tetradic

#171E6E #6E1749 #6E6717 #176E3B

square

#171E6E #6E1749 #6E6717 #176E3B

split-complementary

#171E6E #6E3B17 #496E17

monochromatic

#050719 #0C103B #171E6E #222CA1 #2C3AD3

Accessibility & contrast

On white

14.51

#171E6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#171E6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E6E

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E6E	#FFFFFF	#000000	##FFFFFF
##171E6E	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D70

Deuteranopia (green-blind)

#00256D

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #171e6e;
/* rgb */ color: rgb(23, 30, 110);
/* oklch */ color: oklch(29.3% 0.136 270.9);

Tailwind

colors: {
  custom: {
    50: '#645a98',
    500: '#171e6e',
    950: '#000000',
  },
}

SCSS

$custom: #171e6e;
$custom-light: #645a98;
$custom-dark: #000000;

JSON

{
  "hex": "#171e6e",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 110
  },
  "hsl": {
    "h": 235.172,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29302,
    "c": 0.13582,
    "h": 270.9
  },
  "luminance": 0.02236
}

Semantic roles & 50–950 ramp

primary

#171E6E

secondary

#A49C3D

accent

#DB3FE8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #171E6E

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

Preview Lab → · Contrast checker → · Palette generator →