#172981#172981

#172981 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.149 H 267.8°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#172981
RGB	rgb(23, 41, 129)
HSL	hsl(230, 70%, 30%)
HSV	hsv(230, 82%, 51%)
CMYK	cmyk(82.2%, 68.2%, 0%, 49.4%)
CIE-LAB	lab(21.40, 27.46, -51.33)
CIE-LCH	lch(21.40, 58.21, 298.15°)
OKLab	oklab(33.33% -0.0057 -0.1486)
OKLCH	oklch(33.33% 0.149 267.8)
XYZ	xyz(5.1074, 3.3524, 21.1425)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172981 #816F17

analogous

#175E81 #172981 #3A1781

triadic

#172981 #811729 #298117

tetradic

#172981 #81175E #816F17 #17813A

square

#172981 #81175E #816F17 #17813A

split-complementary

#172981 #813A17 #5E8117

monochromatic

#05081A #0E184D #172981 #203AB5 #3753DB

Accessibility & contrast

On white

12.57

#172981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#172981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172981

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172981	#FFFFFF	#000000	##FFFFFF
##172981	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#002E7F

Tritanopia (blue-blind)

#004151

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172981;
/* rgb */ color: rgb(23, 41, 129);
/* oklch */ color: oklch(33.3% 0.149 267.8);

Tailwind

colors: {
  custom: {
    50: '#6862a6',
    500: '#172981',
    950: '#000000',
  },
}

SCSS

$custom: #172981;
$custom-light: #6862a6;
$custom-dark: #000000;

JSON

{
  "hex": "#172981",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 129
  },
  "hsl": {
    "h": 229.811,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33328,
    "c": 0.14872,
    "h": 267.8
  },
  "luminance": 0.03353
}

Semantic roles & 50–950 ramp

primary

#172981

secondary

#B5A13E

accent

#CE3BED

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #172981

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

Preview Lab → · Contrast checker → · Palette generator →