#171A86#171A86

#171A86 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.171 H 269.9°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#171A86
RGB	rgb(23, 26, 134)
HSL	hsl(238, 71%, 31%)
HSV	hsv(238, 83%, 53%)
CMYK	cmyk(82.8%, 80.6%, 0%, 47.5%)
CIE-LAB	lab(18.55, 38.74, -59.19)
CIE-LCH	lch(18.55, 70.74, 303.20°)
OKLab	oklab(31.44% -0.0002 -0.1714)
OKLCH	oklch(31.44% 0.171 269.9)
XYZ	xyz(5.0244, 2.6416, 22.7947)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A86 #868317

analogous

#175186 #171A86 #4B1786

triadic

#171A86 #86171A #1A8617

tetradic

#171A86 #861751 #868317 #17864B

square

#171A86 #861751 #868317 #17864B

split-complementary

#171A86 #864B17 #518617

monochromatic

#05061E #0E1052 #171A86 #2024BA #3A3FDD

Accessibility & contrast

On white

13.74

#171A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#171A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A86

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A86	#FFFFFF	#000000	##FFFFFF
##171A86	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003389

Deuteranopia (green-blind)

#002784

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #171a86;
/* rgb */ color: rgb(23, 26, 134);
/* oklch */ color: oklch(31.4% 0.171 269.9);

Tailwind

colors: {
  custom: {
    50: '#6b59aa',
    500: '#171a86',
    950: '#000000',
  },
}

SCSS

$custom: #171a86;
$custom-light: #6b59aa;
$custom-dark: #000000;

JSON

{
  "hex": "#171a86",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 134
  },
  "hsl": {
    "h": 238.378,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31442,
    "c": 0.17143,
    "h": 269.9
  },
  "luminance": 0.02642
}

Semantic roles & 50–950 ramp

primary

#171A86

secondary

#BAB73F

accent

#E93AED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171A86

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

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