#18297F#18297F

#18297F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.146 H 268.2°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#18297F
RGB	rgb(24, 41, 127)
HSL	hsl(230, 68%, 30%)
HSV	hsv(230, 81%, 50%)
CMYK	cmyk(81.1%, 67.7%, 0%, 50.2%)
CIE-LAB	lab(21.25, 26.77, -50.31)
CIE-LCH	lch(21.25, 56.99, 298.02°)
OKLab	oklab(33.17% -0.0047 -0.1456)
OKLCH	oklch(33.17% 0.146 268.2)
XYZ	xyz(4.9991, 3.3118, 20.4503)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18297F #7F6E18

analogous

#185D7F #18297F #3B187F

triadic

#18297F #7F1829 #297F18

tetradic

#18297F #7F185D #7F6E18 #187F3B

square

#18297F #7F185D #7F6E18 #187F3B

split-complementary

#18297F #7F3B18 #5D7F18

monochromatic

#05081A #0E184C #18297F #223AB2 #3853D9

Accessibility & contrast

On white

12.63

#18297F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#18297F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18297F

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18297F	#FFFFFF	#000000	##FFFFFF
##18297F	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18297f;
/* rgb */ color: rgb(24, 41, 127);
/* oklch */ color: oklch(33.2% 0.146 268.2);

Tailwind

colors: {
  custom: {
    50: '#6862a5',
    500: '#18297f',
    950: '#000000',
  },
}

SCSS

$custom: #18297f;
$custom-light: #6862a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18297f",
  "rgb": {
    "r": 24,
    "g": 41,
    "b": 127
  },
  "hsl": {
    "h": 230.097,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3317,
    "c": 0.14569,
    "h": 268.2
  },
  "luminance": 0.03312
}

Semantic roles & 50–950 ramp

primary

#18297F

secondary

#B3A03F

accent

#CE3DEB

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #18297F

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

Preview Lab → · Contrast checker → · Palette generator →