#18459B#18459B

#18459B is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.5% C 0.149 H 261.7°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#18459B
RGB	rgb(24, 69, 155)
HSL	hsl(219, 73%, 35%)
HSV	hsv(219, 85%, 61%)
CMYK	cmyk(84.5%, 55.5%, 0%, 39.2%)
CIE-LAB	lab(31.38, 18.64, -51.10)
CIE-LCH	lch(31.38, 54.40, 290.04°)
OKLab	oklab(41.49% -0.0215 -0.1475)
OKLCH	oklch(41.49% 0.149 261.7)
XYZ	xyz(8.4191, 6.8160, 31.8759)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18459B #9B6E18

analogous

#18879B #18459B #2C189B

triadic

#18459B #9B1845 #459B18

tetradic

#18459B #9B1887 #9B6E18 #189B2C

square

#18459B #9B1887 #9B6E18 #189B2C

split-complementary

#18459B #9B2C18 #879B18

monochromatic

#081631 #102D66 #18459B #205DD0 #4A7FE3

Accessibility & contrast

On white

8.89

#18459B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#18459B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18459B

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18459B	#FFFFFF	#000000	##FFFFFF
##18459B	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004499

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #18459b;
/* rgb */ color: rgb(24, 69, 155);
/* oklch */ color: oklch(41.5% 0.149 261.7);

Tailwind

colors: {
  custom: {
    50: '#6d78b9',
    500: '#18459b',
    950: '#000000',
  },
}

SCSS

$custom: #18459b;
$custom-light: #6d78b9;
$custom-dark: #000000;

JSON

{
  "hex": "#18459b",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 219.389,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41493,
    "c": 0.14908,
    "h": 261.7
  },
  "luminance": 0.06817
}

Semantic roles & 50–950 ramp

primary

#18459B

secondary

#C59B4A

accent

#B138F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #18459B

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

Preview Lab → · Contrast checker → · Palette generator →