#171A72#171A72

#171A72 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.146 H 271.4°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#171A72
RGB	rgb(23, 26, 114)
HSL	hsl(238, 66%, 27%)
HSV	hsv(238, 80%, 45%)
CMYK	cmyk(79.8%, 77.2%, 0%, 55.3%)
CIE-LAB	lab(16.18, 31.64, -50.34)
CIE-LCH	lch(16.18, 59.45, 302.15°)
OKLab	oklab(29.08% 0.0036 -0.1457)
OKLCH	oklch(29.08% 0.146 271.4)
XYZ	xyz(3.7590, 2.1354, 16.1304)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A72 #726F17

analogous

#174872 #171A72 #421772

triadic

#171A72 #72171A #1A7217

tetradic

#171A72 #721748 #726F17 #177242

square

#171A72 #721748 #726F17 #177242

split-complementary

#171A72 #724217 #487217

monochromatic

#050619 #0D0E3F #171A72 #2126A5 #2E34D5

Accessibility & contrast

On white

14.71

#171A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#171A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A72

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A72	#FFFFFF	#000000	##FFFFFF
##171A72	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D75

Deuteranopia (green-blind)

#002470

Tritanopia (blue-blind)

#003444

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171a72;
/* rgb */ color: rgb(23, 26, 114);
/* oklch */ color: oklch(29.1% 0.146 271.4);

Tailwind

colors: {
  custom: {
    50: '#66579c',
    500: '#171a72',
    950: '#000000',
  },
}

SCSS

$custom: #171a72;
$custom-light: #66579c;
$custom-dark: #000000;

JSON

{
  "hex": "#171a72",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 114
  },
  "hsl": {
    "h": 238.022,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29077,
    "c": 0.14578,
    "h": 271.4
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#171A72

secondary

#A8A43D

accent

#E43EE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171A72

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

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