#18458F#18458F

#18458F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.5% C 0.132 H 260.0°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#18458F
RGB	rgb(24, 69, 143)
HSL	hsl(217, 71%, 33%)
HSV	hsv(217, 83%, 56%)
CMYK	cmyk(83.2%, 51.7%, 0%, 43.9%)
CIE-LAB	lab(30.48, 13.75, -45.25)
CIE-LCH	lch(30.48, 47.29, 286.90°)
OKLab	oklab(40.52% -0.023 -0.1303)
OKLCH	oklch(40.52% 0.132 260)
XYZ	xyz(7.4609, 6.4327, 26.8297)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18458F #8F6218

analogous

#18808F #18458F #27188F

triadic

#18458F #8F1845 #458F18

tetradic

#18458F #8F1880 #8F6218 #188F27

square

#18458F #8F1880 #8F6218 #188F27

split-complementary

#18458F #8F2718 #808F18

monochromatic

#061226 #0F2C5B #18458F #215EC3 #427EDF

Accessibility & contrast

On white

9.18

#18458F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#18458F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18458F

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18458F	#FFFFFF	#000000	##FFFFFF
##18458F	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164D92

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #18458f;
/* rgb */ color: rgb(24, 69, 143);
/* oklch */ color: oklch(40.5% 0.132 260.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18458f",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 143
  },
  "hsl": {
    "h": 217.311,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40517,
    "c": 0.13232,
    "h": 260
  },
  "luminance": 0.06434
}

Semantic roles & 50–950 ramp

primary

#18458F

secondary

#C09143

accent

#AA3AEE

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #18458F

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

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