#17438D#17438D

#17438D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.9% C 0.132 H 260.3°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#17438D
RGB	rgb(23, 67, 141)
HSL	hsl(218, 72%, 32%)
HSV	hsv(218, 84%, 55%)
CMYK	cmyk(83.7%, 52.5%, 0%, 44.7%)
CIE-LAB	lab(29.71, 14.21, -45.27)
CIE-LCH	lch(29.71, 47.44, 287.42°)
OKLab	oklab(39.87% -0.0223 -0.1304)
OKLCH	oklch(39.87% 0.132 260.3)
XYZ	xyz(7.1665, 6.1187, 25.9975)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17438D #8D6117

analogous

#177E8D #17438D #26178D

triadic

#17438D #8D1743 #438D17

tetradic

#17438D #8D177E #8D6117 #178D26

square

#17438D #8D177E #8D6117 #178D26

split-complementary

#17438D #8D2617 #7E8D17

monochromatic

#061124 #0E2A58 #17438D #205CC2 #3F7BE0

Accessibility & contrast

On white

9.44

#17438D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#17438D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17438D

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17438D	#FFFFFF	#000000	##FFFFFF
##17438D	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114C90

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #17438d;
/* rgb */ color: rgb(23, 67, 141);
/* oklch */ color: oklch(39.9% 0.132 260.3);

Tailwind

colors: {
  custom: {
    50: '#6a76af',
    500: '#17438d',
    950: '#000000',
  },
}

SCSS

$custom: #17438d;
$custom-light: #6a76af;
$custom-dark: #000000;

JSON

{
  "hex": "#17438d",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 217.627,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39874,
    "c": 0.13231,
    "h": 260.3
  },
  "luminance": 0.0612
}

Semantic roles & 50–950 ramp

primary

#17438D

secondary

#C09040

accent

#AB39EF

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17438D

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

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