#18257F#18257F

#18257F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.151 H 269.1°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#18257F
RGB	rgb(24, 37, 127)
HSL	hsl(232, 68%, 30%)
HSV	hsv(232, 81%, 50%)
CMYK	cmyk(81.1%, 70.9%, 0%, 50.2%)
CIE-LAB	lab(20.24, 29.48, -51.97)
CIE-LCH	lch(20.24, 59.75, 299.56°)
OKLab	oklab(32.43% -0.0025 -0.1505)
OKLCH	oklch(32.43% 0.151 269.1)
XYZ	xyz(4.8677, 3.0491, 20.4065)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18257F #7F7218

analogous

#18597F #18257F #3E187F

triadic

#18257F #7F1825 #257F18

tetradic

#18257F #7F1859 #7F7218 #187F3E

square

#18257F #7F1859 #7F7218 #187F3E

split-complementary

#18257F #7F3E18 #597F18

monochromatic

#05071A #0E164C #18257F #2234B2 #384CD9

Accessibility & contrast

On white

13.04

#18257F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#18257F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18257F

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18257F	#FFFFFF	#000000	##FFFFFF
##18257F	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#002C7D

Tritanopia (blue-blind)

#003E4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18257f;
/* rgb */ color: rgb(24, 37, 127);
/* oklch */ color: oklch(32.4% 0.151 269.1);

Tailwind

colors: {
  custom: {
    50: '#685fa5',
    500: '#18257f',
    950: '#000000',
  },
}

SCSS

$custom: #18257f;
$custom-light: #685fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#18257f",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 127
  },
  "hsl": {
    "h": 232.427,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32431,
    "c": 0.15052,
    "h": 269.1
  },
  "luminance": 0.0305
}

Semantic roles & 50–950 ramp

primary

#18257F

secondary

#B3A53F

accent

#D53DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18257F

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

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