#18429B#18429B

#18429B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.153 H 262.7°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#18429B
RGB	rgb(24, 66, 155)
HSL	hsl(221, 73%, 35%)
HSV	hsv(221, 85%, 61%)
CMYK	cmyk(84.5%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(30.54, 20.70, -52.48)
CIE-LCH	lch(30.54, 56.42, 291.53°)
OKLab	oklab(40.85% -0.0196 -0.1516)
OKLCH	oklch(40.85% 0.153 262.7)
XYZ	xyz(8.2392, 6.4562, 31.8159)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18429B #9B7118

analogous

#18849B #18429B #2F189B

triadic

#18429B #9B1842 #429B18

tetradic

#18429B #9B1884 #9B7118 #189B2F

square

#18429B #9B1884 #9B7118 #189B2F

split-complementary

#18429B #9B2F18 #849B18

monochromatic

#081531 #102B66 #18429B #2059D0 #4A7BE3

Accessibility & contrast

On white

9.16

#18429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#18429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18429B

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18429B	#FFFFFF	#000000	##FFFFFF
##18429B	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004299

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #18429b;
/* rgb */ color: rgb(24, 66, 155);
/* oklch */ color: oklch(40.9% 0.153 262.7);

Tailwind

colors: {
  custom: {
    50: '#6e75b9',
    500: '#18429b',
    950: '#000000',
  },
}

SCSS

$custom: #18429b;
$custom-light: #6e75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#18429b",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 220.763,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40851,
    "c": 0.1529,
    "h": 262.7
  },
  "luminance": 0.06457
}

Semantic roles & 50–950 ramp

primary

#18429B

secondary

#C59D4A

accent

#B538F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080812

muted

#7B7B81

Preview Lab

Preview with #18429B

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

Preview Lab → · Contrast checker → · Palette generator →