#18417C#18417C

#18417C is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.1% C 0.110 H 258.1°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#18417C
RGB	rgb(24, 65, 124)
HSL	hsl(215, 68%, 29%)
HSV	hsv(215, 81%, 49%)
CMYK	cmyk(80.6%, 47.6%, 0%, 51.4%)
CIE-LAB	lab(27.92, 8.69, -37.58)
CIE-LCH	lch(27.92, 38.57, 283.01°)
OKLab	oklab(38.12% -0.0228 -0.1078)
OKLCH	oklch(38.12% 0.11 258.1)
XYZ	xyz(5.9037, 5.4293, 19.8017)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18417C #7C5318

analogous

#18737C #18417C #21187C

triadic

#18417C #7C1841 #417C18

tetradic

#18417C #7C1873 #7C5318 #187C21

square

#18417C #7C1873 #7C5318 #187C21

split-complementary

#18417C #7C2118 #737C18

monochromatic

#050D1A #0E2649 #18417C #225CAF #3679D8

Accessibility & contrast

On white

10.07

#18417C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#18417C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18417C

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18417C	#FFFFFF	#000000	##FFFFFF
##18417C	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22477E

Deuteranopia (green-blind)

#0A3E7B

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #18417c;
/* rgb */ color: rgb(24, 65, 124);
/* oklch */ color: oklch(38.1% 0.110 258.1);

Tailwind

colors: {
  custom: {
    50: '#6675a2',
    500: '#18417c',
    950: '#000000',
  },
}

SCSS

$custom: #18417c;
$custom-light: #6675a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18417c",
  "rgb": {
    "r": 24,
    "g": 65,
    "b": 124
  },
  "hsl": {
    "h": 215.4,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38124,
    "c": 0.11021,
    "h": 258.1
  },
  "luminance": 0.0543
}

Semantic roles & 50–950 ramp

primary

#18417C

secondary

#B1823F

accent

#A33DEA

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #18417C

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

Preview Lab → · Contrast checker → · Palette generator →