#171A6E#171A6E

#171A6E is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.140 H 271.8°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#171A6E
RGB	rgb(23, 26, 110)
HSL	hsl(238, 65%, 26%)
HSV	hsv(238, 79%, 43%)
CMYK	cmyk(79.1%, 76.4%, 0%, 56.9%)
CIE-LAB	lab(15.73, 30.16, -48.49)
CIE-LCH	lch(15.73, 57.10, 301.88°)
OKLab	oklab(28.62% 0.0043 -0.1404)
OKLCH	oklch(28.62% 0.14 271.8)
XYZ	xyz(3.5363, 2.0464, 14.9574)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A6E #6E6B17

analogous

#17456E #171A6E #3F176E

triadic

#171A6E #6E171A #1A6E17

tetradic

#171A6E #6E1745 #6E6B17 #176E3F

square

#171A6E #6E1745 #6E6B17 #176E3F

split-complementary

#171A6E #6E3F17 #456E17

monochromatic

#050619 #0C0E3B #171A6E #2226A1 #2C32D3

Accessibility & contrast

On white

14.90

#171A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#171A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A6E

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A6E	#FFFFFF	#000000	##FFFFFF
##171A6E	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B70

Deuteranopia (green-blind)

#00236C

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171a6e;
/* rgb */ color: rgb(23, 26, 110);
/* oklch */ color: oklch(28.6% 0.140 271.8);

Tailwind

colors: {
  custom: {
    50: '#655799',
    500: '#171a6e',
    950: '#000000',
  },
}

SCSS

$custom: #171a6e;
$custom-light: #655799;
$custom-dark: #000000;

JSON

{
  "hex": "#171a6e",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 110
  },
  "hsl": {
    "h": 237.931,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28619,
    "c": 0.14043,
    "h": 271.8
  },
  "luminance": 0.02047
}

Semantic roles & 50–950 ramp

primary

#171A6E

secondary

#A4A03D

accent

#E33FE8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #171A6E

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

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