#18409D#18409D

#18409D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.158 H 263.4°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#18409D
RGB	rgb(24, 64, 157)
HSL	hsl(222, 73%, 35%)
HSV	hsv(222, 85%, 62%)
CMYK	cmyk(84.7%, 59.2%, 0%, 38.4%)
CIE-LAB	lab(30.14, 22.88, -54.34)
CIE-LCH	lch(30.14, 58.96, 292.83°)
OKLab	oklab(40.61% -0.0182 -0.1571)
OKLCH	oklch(40.61% 0.158 263.4)
XYZ	xyz(8.2937, 6.2943, 32.6695)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18409D #9D7518

analogous

#18829D #18409D #32189D

triadic

#18409D #9D1840 #409D18

tetradic

#18409D #9D1882 #9D7518 #189D32

square

#18409D #9D1882 #9D7518 #189D32

split-complementary

#18409D #9D3218 #829D18

monochromatic

#081533 #102A68 #18409D #2056D2 #4C79E4

Accessibility & contrast

On white

9.30

#18409D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#18409D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18409D

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18409D	#FFFFFF	#000000	##FFFFFF
##18409D	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18409d;
/* rgb */ color: rgb(24, 64, 157);
/* oklch */ color: oklch(40.6% 0.158 263.4);

Tailwind

colors: {
  custom: {
    50: '#6e74bb',
    500: '#18409d',
    950: '#000000',
  },
}

SCSS

$custom: #18409d;
$custom-light: #6e74bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18409d",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 157
  },
  "hsl": {
    "h": 221.955,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40607,
    "c": 0.15816,
    "h": 263.4
  },
  "luminance": 0.06295
}

Semantic roles & 50–950 ramp

primary

#18409D

secondary

#C5A14B

accent

#B938F0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #18409D

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

Preview Lab → · Contrast checker → · Palette generator →