#17248D#17248D

#17248D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.170 H 268.5°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#17248D
RGB	rgb(23, 36, 141)
HSL	hsl(233, 72%, 32%)
HSV	hsv(233, 84%, 55%)
CMYK	cmyk(83.7%, 74.5%, 0%, 44.7%)
CIE-LAB	lab(21.45, 35.30, -58.76)
CIE-LCH	lch(21.45, 68.55, 300.99°)
OKLab	oklab(33.74% -0.0046 -0.1703)
OKLCH	oklch(33.74% 0.17 268.5)
XYZ	xyz(5.7903, 3.3663, 25.5387)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17248D #8D8017

analogous

#175F8D #17248D #45178D

triadic

#17248D #8D1724 #248D17

tetradic

#17248D #8D175F #8D8017 #178D45

square

#17248D #8D175F #8D8017 #178D45

split-complementary

#17248D #8D4517 #5F8D17

monochromatic

#060924 #0E1758 #17248D #2031C2 #3F50E0

Accessibility & contrast

On white

12.55

#17248D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#17248D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17248D

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17248D	#FFFFFF	#000000	##FFFFFF
##17248D	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17248d;
/* rgb */ color: rgb(23, 36, 141);
/* oklch */ color: oklch(33.7% 0.170 268.5);

Tailwind

colors: {
  custom: {
    50: '#6c5faf',
    500: '#17248d',
    950: '#000000',
  },
}

SCSS

$custom: #17248d;
$custom-light: #6c5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#17248d",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 141
  },
  "hsl": {
    "h": 233.39,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33743,
    "c": 0.17035,
    "h": 268.5
  },
  "luminance": 0.03367
}

Semantic roles & 50–950 ramp

primary

#17248D

secondary

#C0B240

accent

#DB39EF

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #17248D

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

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