#172E86#172E86

#172E86 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.149 H 266.7°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#172E86
RGB	rgb(23, 46, 134)
HSL	hsl(228, 71%, 31%)
HSV	hsv(228, 83%, 53%)
CMYK	cmyk(82.8%, 65.7%, 0%, 47.5%)
CIE-LAB	lab(23.19, 26.00, -51.53)
CIE-LCH	lch(23.19, 57.72, 296.77°)
OKLab	oklab(34.79% -0.0087 -0.1492)
OKLCH	oklch(34.79% 0.149 266.7)
XYZ	xyz(5.6319, 3.8567, 22.9972)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E86 #866F17

analogous

#176586 #172E86 #381786

triadic

#172E86 #86172E #2E8617

tetradic

#172E86 #861765 #866F17 #178638

square

#172E86 #861765 #866F17 #178638

split-complementary

#172E86 #863817 #658617

monochromatic

#050A1E #0E1C52 #172E86 #2040BA #3A5CDD

Accessibility & contrast

On white

11.86

#172E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#172E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E86

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E86	#FFFFFF	#000000	##FFFFFF
##172E86	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D89

Deuteranopia (green-blind)

#003284

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #172e86;
/* rgb */ color: rgb(23, 46, 134);
/* oklch */ color: oklch(34.8% 0.149 266.7);

Tailwind

colors: {
  custom: {
    50: '#6966aa',
    500: '#172e86',
    950: '#000000',
  },
}

SCSS

$custom: #172e86;
$custom-light: #6966aa;
$custom-dark: #000000;

JSON

{
  "hex": "#172e86",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 134
  },
  "hsl": {
    "h": 227.568,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3479,
    "c": 0.14943,
    "h": 266.7
  },
  "luminance": 0.03857
}

Semantic roles & 50–950 ramp

primary

#172E86

secondary

#BAA03F

accent

#C83AED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #172E86

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

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