#18458E#18458E

#18458E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.4% C 0.131 H 259.8°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#18458E
RGB	rgb(24, 69, 142)
HSL	hsl(217, 71%, 33%)
HSV	hsv(217, 83%, 56%)
CMYK	cmyk(83.1%, 51.4%, 0%, 44.3%)
CIE-LAB	lab(30.41, 13.34, -44.75)
CIE-LCH	lch(30.41, 46.70, 286.59°)
OKLab	oklab(40.44% -0.0231 -0.1288)
OKLCH	oklch(40.44% 0.131 259.8)
XYZ	xyz(7.3855, 6.4025, 26.4325)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18458E #8E6118

analogous

#18808E #18458E #26188E

triadic

#18458E #8E1845 #458E18

tetradic

#18458E #8E1880 #8E6118 #188E26

square

#18458E #8E1880 #8E6118 #188E26

split-complementary

#18458E #8E2618 #808E18

monochromatic

#061225 #0F2C5A #18458E #215EC2 #417EDF

Accessibility & contrast

On white

9.21

#18458E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#18458E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18458E

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18458E	#FFFFFF	#000000	##FFFFFF
##18458E	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D91

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #18458e;
/* rgb */ color: rgb(24, 69, 142);
/* oklch */ color: oklch(40.4% 0.131 259.8);

Tailwind

colors: {
  custom: {
    50: '#6a78b0',
    500: '#18458e',
    950: '#000000',
  },
}

SCSS

$custom: #18458e;
$custom-light: #6a78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18458e",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 142
  },
  "hsl": {
    "h": 217.119,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40438,
    "c": 0.13089,
    "h": 259.8
  },
  "luminance": 0.06403
}

Semantic roles & 50–950 ramp

primary

#18458E

secondary

#C09042

accent

#A93AEE

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #18458E

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

Preview Lab → · Contrast checker → · Palette generator →