#18319F#18319F

#18319F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.179 H 266.6°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#18319F
RGB	rgb(24, 49, 159)
HSL	hsl(229, 74%, 36%)
HSV	hsv(229, 85%, 62%)
CMYK	cmyk(84.9%, 69.2%, 0%, 37.6%)
CIE-LAB	lab(26.43, 33.76, -61.64)
CIE-LCH	lch(26.43, 70.28, 298.71°)
OKLab	oklab(37.91% -0.0105 -0.1786)
OKLCH	oklch(37.91% 0.179 266.6)
XYZ	xyz(7.7308, 4.8931, 33.3312)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18319F #9F8618

analogous

#18749F #18319F #42189F

triadic

#18319F #9F1831 #319F18

tetradic

#18319F #9F1874 #9F8618 #189F42

square

#18319F #9F1874 #9F8618 #189F42

split-complementary

#18319F #9F4218 #749F18

monochromatic

#081035 #10216A #18319F #2041D4 #4D69E4

Accessibility & contrast

On white

10.61

#18319F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#18319F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18319F

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18319F	#FFFFFF	#000000	##FFFFFF
##18319F	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18319f;
/* rgb */ color: rgb(24, 49, 159);
/* oklch */ color: oklch(37.9% 0.179 266.6);

Tailwind

colors: {
  custom: {
    50: '#7069bc',
    500: '#18319f',
    950: '#000000',
  },
}

SCSS

$custom: #18319f;
$custom-light: #7069bc;
$custom-dark: #000000;

JSON

{
  "hex": "#18319f",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 159
  },
  "hsl": {
    "h": 228.889,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37914,
    "c": 0.17896,
    "h": 266.6
  },
  "luminance": 0.04894
}

Semantic roles & 50–950 ramp

primary

#18319F

secondary

#C6B04D

accent

#CE37F0

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #18319F

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

Preview Lab → · Contrast checker → · Palette generator →