#171E6C#171E6C

#171E6C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.1% C 0.133 H 271.0°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#171E6C
RGB	rgb(23, 30, 108)
HSL	hsl(235, 65%, 26%)
HSV	hsv(235, 79%, 42%)
CMYK	cmyk(78.7%, 72.2%, 0%, 57.6%)
CIE-LAB	lab(16.47, 26.76, -45.97)
CIE-LCH	lch(16.47, 53.19, 300.21°)
OKLab	oklab(29.09% 0.0024 -0.133)
OKLCH	oklch(29.09% 0.133 271)
XYZ	xyz(3.5235, 2.1930, 14.4221)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E6C #6C6517

analogous

#17486C #171E6C #3A176C

triadic

#171E6C #6C171E #1E6C17

tetradic

#171E6C #6C1748 #6C6517 #176C3A

square

#171E6C #6C1748 #6C6517 #176C3A

split-complementary

#171E6C #6C3A17 #486C17

monochromatic

#050719 #0C103A #171E6C #222C9E #2C3AD1

Accessibility & contrast

On white

14.60

#171E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#171E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E6C

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E6C	#FFFFFF	#000000	##FFFFFF
##171E6C	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6E

Deuteranopia (green-blind)

#00256B

Tritanopia (blue-blind)

#003342

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #171e6c;
/* rgb */ color: rgb(23, 30, 108);
/* oklch */ color: oklch(29.1% 0.133 271.0);

Tailwind

colors: {
  custom: {
    50: '#645a97',
    500: '#171e6c',
    950: '#000000',
  },
}

SCSS

$custom: #171e6c;
$custom-light: #645a97;
$custom-dark: #000000;

JSON

{
  "hex": "#171e6c",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 108
  },
  "hsl": {
    "h": 235.059,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29086,
    "c": 0.13303,
    "h": 271
  },
  "luminance": 0.02193
}

Semantic roles & 50–950 ramp

primary

#171E6C

secondary

#A29A3D

accent

#DA40E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171E6C

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

Preview Lab → · Contrast checker → · Palette generator →