#18458C#18458C

#18458C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.128 H 259.5°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#18458C
RGB	rgb(24, 69, 140)
HSL	hsl(217, 71%, 32%)
HSV	hsv(217, 83%, 55%)
CMYK	cmyk(82.9%, 50.7%, 0%, 45.1%)
CIE-LAB	lab(30.26, 12.51, -43.76)
CIE-LCH	lch(30.26, 45.51, 285.96°)
OKLab	oklab(40.28% -0.0234 -0.1259)
OKLCH	oklch(40.28% 0.128 259.5)
XYZ	xyz(7.2367, 6.3430, 25.6488)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18458C #8C5F18

analogous

#187F8C #18458C #25188C

triadic

#18458C #8C1845 #458C18

tetradic

#18458C #8C187F #8C5F18 #188C25

square

#18458C #8C187F #8C5F18 #188C25

split-complementary

#18458C #8C2518 #7F8C18

monochromatic

#061224 #0F2B58 #18458C #215FC0 #407DDE

Accessibility & contrast

On white

9.26

#18458C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#18458C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18458C

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18458C	#FFFFFF	#000000	##FFFFFF
##18458C	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4D8F

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18458c;
/* rgb */ color: rgb(24, 69, 140);
/* oklch */ color: oklch(40.3% 0.128 259.5);

Tailwind

colors: {
  custom: {
    50: '#6978ae',
    500: '#18458c',
    950: '#000000',
  },
}

SCSS

$custom: #18458c;
$custom-light: #6978ae;
$custom-dark: #000000;

JSON

{
  "hex": "#18458c",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 140
  },
  "hsl": {
    "h": 216.724,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40281,
    "c": 0.12807,
    "h": 259.5
  },
  "luminance": 0.06344
}

Semantic roles & 50–950 ramp

primary

#18458C

secondary

#BF8E41

accent

#A83AED

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #18458C

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

Preview Lab → · Contrast checker → · Palette generator →