#171E6D#171E6D

#171E6D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.2% C 0.134 H 271.0°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#171E6D
RGB	rgb(23, 30, 109)
HSL	hsl(235, 65%, 26%)
HSV	hsv(235, 79%, 43%)
CMYK	cmyk(78.9%, 72.5%, 0%, 57.3%)
CIE-LAB	lab(16.57, 27.15, -46.45)
CIE-LCH	lch(16.57, 53.80, 300.31°)
OKLab	oklab(29.19% 0.0022 -0.1344)
OKLCH	oklch(29.19% 0.134 271)
XYZ	xyz(3.5770, 2.2144, 14.7039)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E6D #6D6617

analogous

#17496D #171E6D #3B176D

triadic

#171E6D #6D171E #1E6D17

tetradic

#171E6D #6D1749 #6D6617 #176D3B

square

#171E6D #6D1749 #6D6617 #176D3B

split-complementary

#171E6D #6D3B17 #496D17

monochromatic

#050719 #0C103A #171E6D #222CA0 #2C3AD2

Accessibility & contrast

On white

14.55

#171E6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#171E6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E6D

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E6D	#FFFFFF	#000000	##FFFFFF
##171E6D	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6F

Deuteranopia (green-blind)

#00256C

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #171e6d;
/* rgb */ color: rgb(23, 30, 109);
/* oklch */ color: oklch(29.2% 0.134 271.0);

Tailwind

colors: {
  custom: {
    50: '#645a98',
    500: '#171e6d',
    950: '#000000',
  },
}

SCSS

$custom: #171e6d;
$custom-light: #645a98;
$custom-dark: #000000;

JSON

{
  "hex": "#171e6d",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 109
  },
  "hsl": {
    "h": 235.116,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29194,
    "c": 0.13443,
    "h": 271
  },
  "luminance": 0.02215
}

Semantic roles & 50–950 ramp

primary

#171E6D

secondary

#A39B3D

accent

#DA40E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #171E6D

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

Preview Lab → · Contrast checker → · Palette generator →