#17238F#17238F

#17238F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.174 H 268.5°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#17238F
RGB	rgb(23, 35, 143)
HSL	hsl(234, 72%, 33%)
HSV	hsv(234, 84%, 56%)
CMYK	cmyk(83.9%, 75.5%, 0%, 43.9%)
CIE-LAB	lab(21.46, 36.64, -60.01)
CIE-LCH	lch(21.46, 70.31, 301.41°)
OKLab	oklab(33.81% -0.0045 -0.1739)
OKLCH	oklch(33.81% 0.174 268.5)
XYZ	xyz(5.9106, 3.3667, 26.3196)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17238F #8F8317

analogous

#175F8F #17238F #47178F

triadic

#17238F #8F1723 #238F17

tetradic

#17238F #8F175F #8F8317 #178F47

square

#17238F #8F175F #8F8317 #178F47

split-complementary

#17238F #8F4717 #5F8F17

monochromatic

#060926 #0F165A #17238F #1F30C4 #4050E0

Accessibility & contrast

On white

12.55

#17238F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#17238F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17238F

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17238F	#FFFFFF	#000000	##FFFFFF
##17238F	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)

#003992

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #17238f;
/* rgb */ color: rgb(23, 35, 143);
/* oklch */ color: oklch(33.8% 0.174 268.5);

Tailwind

colors: {
  custom: {
    50: '#6d5fb1',
    500: '#17238f',
    950: '#000000',
  },
}

SCSS

$custom: #17238f;
$custom-light: #6d5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#17238f",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 143
  },
  "hsl": {
    "h": 234,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3381,
    "c": 0.17396,
    "h": 268.5
  },
  "luminance": 0.03367
}

Semantic roles & 50–950 ramp

primary

#17238F

secondary

#C1B441

accent

#DD39EF

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080411

muted

#7B7980

Preview Lab

Preview with #17238F

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

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