#18276F#18276F

#18276F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.2% C 0.126 H 268.7°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#18276F
RGB	rgb(24, 39, 111)
HSL	hsl(230, 64%, 26%)
HSV	hsv(230, 78%, 44%)
CMYK	cmyk(78.4%, 64.9%, 0%, 56.5%)
CIE-LAB	lab(19.19, 21.80, -43.45)
CIE-LCH	lch(19.19, 48.61, 296.64°)
OKLab	oklab(31.19% -0.0028 -0.1255)
OKLCH	oklch(31.19% 0.126 268.7)
XYZ	xyz(3.9705, 2.7925, 15.3656)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18276F #6F6018

analogous

#18536F #18276F #35186F

triadic

#18276F #6F1827 #276F18

tetradic

#18276F #6F1853 #6F6018 #186F35

square

#18276F #6F1853 #6F6018 #186F35

split-complementary

#18276F #6F3518 #536F18

monochromatic

#050919 #0D153D #18276F #2339A1 #2F4BD2

Accessibility & contrast

On white

13.47

#18276F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#18276F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18276F

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18276F	#FFFFFF	#000000	##FFFFFF
##18276F	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003371

Deuteranopia (green-blind)

#002B6E

Tritanopia (blue-blind)

#003A47

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #18276f;
/* rgb */ color: rgb(24, 39, 111);
/* oklch */ color: oklch(31.2% 0.126 268.7);

Tailwind

colors: {
  custom: {
    50: '#646099',
    500: '#18276f',
    950: '#000000',
  },
}

SCSS

$custom: #18276f;
$custom-light: #646099;
$custom-dark: #000000;

JSON

{
  "hex": "#18276f",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 111
  },
  "hsl": {
    "h": 229.655,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31185,
    "c": 0.12558,
    "h": 268.7
  },
  "luminance": 0.02793
}

Semantic roles & 50–950 ramp

primary

#18276F

secondary

#A5933E

accent

#CB40E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #18276F

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

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