#18498E#18498E

#18498E is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.4% C 0.126 H 258.0°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#18498E
RGB	rgb(24, 73, 142)
HSL	hsl(215, 71%, 33%)
HSV	hsv(215, 83%, 56%)
CMYK	cmyk(83.1%, 48.6%, 0%, 44.3%)
CIE-LAB	lab(31.60, 10.59, -42.82)
CIE-LCH	lch(31.60, 44.11, 283.90°)
OKLab	oklab(41.36% -0.0263 -0.1231)
OKLCH	oklch(41.36% 0.126 258)
XYZ	xyz(7.6399, 6.9113, 26.5173)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18498E #8E5D18

analogous

#18848E #18498E #22188E

triadic

#18498E #8E1849 #498E18

tetradic

#18498E #8E1884 #8E5D18 #188E22

square

#18498E #8E1884 #8E5D18 #188E22

split-complementary

#18498E #8E2218 #848E18

monochromatic

#061325 #0F2E5A #18498E #2164C2 #4183DF

Accessibility & contrast

On white

8.81

#18498E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#18498E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18498E

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18498E	#FFFFFF	#000000	##FFFFFF
##18498E	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225091

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #18498e;
/* rgb */ color: rgb(24, 73, 142);
/* oklch */ color: oklch(41.4% 0.126 258.0);

Tailwind

colors: {
  custom: {
    50: '#6a7baf',
    500: '#18498e',
    950: '#000000',
  },
}

SCSS

$custom: #18498e;
$custom-light: #6a7baf;
$custom-dark: #000000;

JSON

{
  "hex": "#18498e",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 142
  },
  "hsl": {
    "h": 215.085,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41358,
    "c": 0.12584,
    "h": 258
  },
  "luminance": 0.06912
}

Semantic roles & 50–950 ramp

primary

#18498E

secondary

#C08C42

accent

#A33AEE

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #18498E

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

Preview Lab → · Contrast checker → · Palette generator →