#18357A#18357A

#18357A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.2% C 0.123 H 263.9°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#18357A
RGB	rgb(24, 53, 122)
HSL	hsl(222, 67%, 29%)
HSV	hsv(222, 80%, 48%)
CMYK	cmyk(80.3%, 56.6%, 0%, 52.2%)
CIE-LAB	lab(24.14, 16.30, -42.42)
CIE-LCH	lch(24.14, 45.45, 291.02°)
OKLab	oklab(35.19% -0.013 -0.1223)
OKLCH	oklch(35.19% 0.123 263.9)
XYZ	xyz(5.1614, 4.1449, 18.9366)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18357A #7A5D18

analogous

#18667A #18357A #2C187A

triadic

#18357A #7A1835 #357A18

tetradic

#18357A #7A1866 #7A5D18 #187A2C

square

#18357A #7A1866 #7A5D18 #187A2C

split-complementary

#18357A #7A2C18 #667A18

monochromatic

#050B1A #0E1F47 #18357A #224BAD #3565D7

Accessibility & contrast

On white

11.48

#18357A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#18357A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18357A

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18357A	#FFFFFF	#000000	##FFFFFF
##18357A	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7C

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #18357a;
/* rgb */ color: rgb(24, 53, 122);
/* oklch */ color: oklch(35.2% 0.123 263.9);

Tailwind

colors: {
  custom: {
    50: '#666ba1',
    500: '#18357a',
    950: '#000000',
  },
}

SCSS

$custom: #18357a;
$custom-light: #666ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#18357a",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 122
  },
  "hsl": {
    "h": 222.245,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35188,
    "c": 0.123,
    "h": 263.9
  },
  "luminance": 0.04146
}

Semantic roles & 50–950 ramp

primary

#18357A

secondary

#AF8E3F

accent

#B73EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18357A

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

Preview Lab → · Contrast checker → · Palette generator →