#17438A#17438A

#17438A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.6% C 0.128 H 259.8°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#17438A
RGB	rgb(23, 67, 138)
HSL	hsl(217, 71%, 32%)
HSV	hsv(217, 83%, 54%)
CMYK	cmyk(83.3%, 51.4%, 0%, 45.9%)
CIE-LAB	lab(29.49, 12.97, -43.77)
CIE-LCH	lch(29.49, 45.65, 286.51°)
OKLab	oklab(39.64% -0.0227 -0.126)
OKLCH	oklch(39.64% 0.128 259.8)
XYZ	xyz(6.9463, 6.0306, 24.8377)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17438A #8A5E17

analogous

#177D8A #17438A #24178A

triadic

#17438A #8A1743 #438A17

tetradic

#17438A #8A177D #8A5E17 #178A24

square

#17438A #8A177D #8A5E17 #178A24

split-complementary

#17438A #8A2417 #7D8A17

monochromatic

#061021 #0E2A56 #17438A #205CBE #3D7BDF

Accessibility & contrast

On white

9.52

#17438A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#17438A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17438A

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17438A	#FFFFFF	#000000	##FFFFFF
##17438A	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174B8D

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #17438a;
/* rgb */ color: rgb(23, 67, 138);
/* oklch */ color: oklch(39.6% 0.128 259.8);

Tailwind

colors: {
  custom: {
    50: '#6976ad',
    500: '#17438a',
    950: '#000000',
  },
}

SCSS

$custom: #17438a;
$custom-light: #6976ad;
$custom-dark: #000000;

JSON

{
  "hex": "#17438a",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 138
  },
  "hsl": {
    "h": 217.043,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39635,
    "c": 0.12805,
    "h": 259.8
  },
  "luminance": 0.06031
}

Semantic roles & 50–950 ramp

primary

#17438A

secondary

#BE8D3F

accent

#A93AEE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17438A

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

Preview Lab → · Contrast checker → · Palette generator →