#18258F#18258F

#18258F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.172 H 268.6°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#18258F
RGB	rgb(24, 37, 143)
HSL	hsl(233, 71%, 33%)
HSV	hsv(233, 83%, 56%)
CMYK	cmyk(83.2%, 74.1%, 0%, 43.9%)
CIE-LAB	lab(21.94, 35.48, -59.20)
CIE-LCH	lch(21.94, 69.02, 300.93°)
OKLab	oklab(34.17% -0.0042 -0.1715)
OKLCH	oklch(34.17% 0.172 268.6)
XYZ	xyz(5.9945, 3.4998, 26.3409)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18258F #8F8218

analogous

#18618F #18258F #46188F

triadic

#18258F #8F1825 #258F18

tetradic

#18258F #8F1861 #8F8218 #188F46

square

#18258F #8F1861 #8F8218 #188F46

split-complementary

#18258F #8F4618 #618F18

monochromatic

#060A26 #0F175B #18258F #2133C3 #4253DF

Accessibility & contrast

On white

12.35

#18258F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#18258F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18258F

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18258F	#FFFFFF	#000000	##FFFFFF
##18258F	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#002F8D

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #18258f;
/* rgb */ color: rgb(24, 37, 143);
/* oklch */ color: oklch(34.2% 0.172 268.6);

Tailwind

colors: {
  custom: {
    50: '#6d60b1',
    500: '#18258f',
    950: '#000000',
  },
}

SCSS

$custom: #18258f;
$custom-light: #6d60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#18258f",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 143
  },
  "hsl": {
    "h": 233.445,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34171,
    "c": 0.1716,
    "h": 268.6
  },
  "luminance": 0.035
}

Semantic roles & 50–950 ramp

primary

#18258F

secondary

#C0B243

accent

#DA3AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #18258F

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

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