#18417D#18417D

#18417D is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.2% C 0.112 H 258.3°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#18417D
RGB	rgb(24, 65, 125)
HSL	hsl(216, 68%, 29%)
HSV	hsv(216, 81%, 49%)
CMYK	cmyk(80.8%, 48%, 0%, 51%)
CIE-LAB	lab(27.99, 9.10, -38.10)
CIE-LCH	lch(27.99, 39.17, 283.43°)
OKLab	oklab(38.2% -0.0226 -0.1093)
OKLCH	oklch(38.2% 0.112 258.3)
XYZ	xyz(5.9673, 5.4548, 20.1364)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18417D #7D5418

analogous

#18747D #18417D #22187D

triadic

#18417D #7D1841 #417D18

tetradic

#18417D #7D1874 #7D5418 #187D22

square

#18417D #7D1874 #7D5418 #187D22

split-complementary

#18417D #7D2218 #747D18

monochromatic

#050D1A #0E264A #18417D #225CB0 #3778D9

Accessibility & contrast

On white

10.04

#18417D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#18417D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18417D

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18417D	#FFFFFF	#000000	##FFFFFF
##18417D	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21477F

Deuteranopia (green-blind)

#073E7C

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #18417d;
/* rgb */ color: rgb(24, 65, 125);
/* oklch */ color: oklch(38.2% 0.112 258.3);

Tailwind

colors: {
  custom: {
    50: '#6675a3',
    500: '#18417d',
    950: '#000000',
  },
}

SCSS

$custom: #18417d;
$custom-light: #6675a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18417d",
  "rgb": {
    "r": 24,
    "g": 65,
    "b": 125
  },
  "hsl": {
    "h": 215.644,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38199,
    "c": 0.11166,
    "h": 258.3
  },
  "luminance": 0.05455
}

Semantic roles & 50–950 ramp

primary

#18417D

secondary

#B2833F

accent

#A43DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #18417D

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

Preview Lab → · Contrast checker → · Palette generator →