#173283#173283

#173283 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.140 H 265.4°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#173283
RGB	rgb(23, 50, 131)
HSL	hsl(225, 70%, 30%)
HSV	hsv(225, 82%, 51%)
CMYK	cmyk(82.4%, 61.8%, 0%, 48.6%)
CIE-LAB	lab(24.00, 22.00, -48.33)
CIE-LCH	lch(24.00, 53.10, 294.48°)
OKLab	oklab(35.31% -0.0111 -0.1397)
OKLCH	oklch(35.31% 0.14 265.4)
XYZ	xyz(5.5892, 4.1014, 21.9654)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173283 #836817

analogous

#176883 #173283 #321783

triadic

#173283 #831732 #328317

tetradic

#173283 #831768 #836817 #178332

square

#173283 #831768 #836817 #178332

split-complementary

#173283 #833217 #688317

monochromatic

#050A1B #0E1E4F #173283 #2046B7 #3861DC

Accessibility & contrast

On white

11.54

#173283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#173283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173283

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173283	#FFFFFF	#000000	##FFFFFF
##173283	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173283;
/* rgb */ color: rgb(23, 50, 131);
/* oklch */ color: oklch(35.3% 0.140 265.4);

Tailwind

colors: {
  custom: {
    50: '#6869a8',
    500: '#173283',
    950: '#000000',
  },
}

SCSS

$custom: #173283;
$custom-light: #6869a8;
$custom-dark: #000000;

JSON

{
  "hex": "#173283",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 131
  },
  "hsl": {
    "h": 225,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35308,
    "c": 0.14016,
    "h": 265.4
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#173283

secondary

#B7993F

accent

#C03BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #173283

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

Preview Lab → · Contrast checker → · Palette generator →