#18438E#18438E

#18438E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.133 H 260.7°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#18438E
RGB	rgb(24, 67, 142)
HSL	hsl(218, 71%, 33%)
HSV	hsv(218, 83%, 56%)
CMYK	cmyk(83.1%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(29.81, 14.72, -45.71)
CIE-LCH	lch(29.81, 48.02, 287.85°)
OKLab	oklab(39.99% -0.0216 -0.1317)
OKLCH	oklch(39.99% 0.133 260.7)
XYZ	xyz(7.2646, 6.1606, 26.3922)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18438E #8E6318

analogous

#187E8E #18438E #28188E

triadic

#18438E #8E1843 #438E18

tetradic

#18438E #8E187E #8E6318 #188E28

square

#18438E #8E187E #8E6318 #188E28

split-complementary

#18438E #8E2818 #7E8E18

monochromatic

#061225 #0F2A5A #18438E #215CC2 #417BDF

Accessibility & contrast

On white

9.41

#18438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#18438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18438E

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18438E	#FFFFFF	#000000	##FFFFFF
##18438E	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104C91

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #18438e;
/* rgb */ color: rgb(24, 67, 142);
/* oklch */ color: oklch(40.0% 0.133 260.7);

Tailwind

colors: {
  custom: {
    50: '#6a76b0',
    500: '#18438e',
    950: '#000000',
  },
}

SCSS

$custom: #18438e;
$custom-light: #6a76b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18438e",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 218.136,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39985,
    "c": 0.13345,
    "h": 260.7
  },
  "luminance": 0.06161
}

Semantic roles & 50–950 ramp

primary

#18438E

secondary

#C09242

accent

#AC3AEE

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #18438E

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

Preview Lab → · Contrast checker → · Palette generator →