#17438C#17438C

#17438C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.131 H 260.1°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#17438C
RGB	rgb(23, 67, 140)
HSL	hsl(217, 72%, 32%)
HSV	hsv(217, 84%, 55%)
CMYK	cmyk(83.6%, 52.1%, 0%, 45.1%)
CIE-LAB	lab(29.64, 13.79, -44.77)
CIE-LCH	lch(29.64, 46.85, 287.12°)
OKLab	oklab(39.79% -0.0225 -0.1289)
OKLCH	oklch(39.79% 0.131 260.1)
XYZ	xyz(7.0924, 6.0891, 25.6074)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17438C #8C6017

analogous

#177E8C #17438C #26178C

triadic

#17438C #8C1743 #438C17

tetradic

#17438C #8C177E #8C6017 #178C26

square

#17438C #8C177E #8C6017 #178C26

split-complementary

#17438C #8C2617 #7E8C17

monochromatic

#061123 #0E2A57 #17438C #205CC1 #3E7BDF

Accessibility & contrast

On white

9.47

#17438C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#17438C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17438C

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17438C	#FFFFFF	#000000	##FFFFFF
##17438C	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134B8F

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #17438c;
/* rgb */ color: rgb(23, 67, 140);
/* oklch */ color: oklch(39.8% 0.131 260.1);

Tailwind

colors: {
  custom: {
    50: '#6976ae',
    500: '#17438c',
    950: '#000000',
  },
}

SCSS

$custom: #17438c;
$custom-light: #6976ae;
$custom-dark: #000000;

JSON

{
  "hex": "#17438c",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 140
  },
  "hsl": {
    "h": 217.436,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39794,
    "c": 0.13089,
    "h": 260.1
  },
  "luminance": 0.0609
}

Semantic roles & 50–950 ramp

primary

#17438C

secondary

#BF8F3F

accent

#AA39EF

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17438C

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

Preview Lab → · Contrast checker → · Palette generator →