#172883#172883

#172883 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.153 H 268.0°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#172883
RGB	rgb(23, 40, 131)
HSL	hsl(231, 70%, 30%)
HSV	hsv(231, 82%, 51%)
CMYK	cmyk(82.4%, 69.5%, 0%, 48.6%)
CIE-LAB	lab(21.35, 28.92, -52.68)
CIE-LCH	lch(21.35, 60.09, 298.76°)
OKLab	oklab(33.35% -0.0053 -0.1526)
OKLCH	oklch(33.35% 0.153 268)
XYZ	xyz(5.2075, 3.3378, 21.8381)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172883 #837217

analogous

#175E83 #172883 #3C1783

triadic

#172883 #831728 #288317

tetradic

#172883 #83175E #837217 #17833C

square

#172883 #83175E #837217 #17833C

split-complementary

#172883 #833C17 #5E8317

monochromatic

#05081B #0E184F #172883 #2038B7 #3852DC

Accessibility & contrast

On white

12.59

#172883 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#172883 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172883

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172883	#FFFFFF	#000000	##FFFFFF
##172883	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003886

Deuteranopia (green-blind)

#002E81

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172883;
/* rgb */ color: rgb(23, 40, 131);
/* oklch */ color: oklch(33.3% 0.153 268.0);

Tailwind

colors: {
  custom: {
    50: '#6962a8',
    500: '#172883',
    950: '#000000',
  },
}

SCSS

$custom: #172883;
$custom-light: #6962a8;
$custom-dark: #000000;

JSON

{
  "hex": "#172883",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 131
  },
  "hsl": {
    "h": 230.556,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.33349,
    "c": 0.15265,
    "h": 268
  },
  "luminance": 0.03338
}

Semantic roles & 50–950 ramp

primary

#172883

secondary

#B7A43F

accent

#D13BED

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#070510

muted

#7A797F

Preview Lab

Preview with #172883

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

Preview Lab → · Contrast checker → · Palette generator →