#18257E#18257E

#18257E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.3% C 0.149 H 269.1°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#18257E
RGB	rgb(24, 37, 126)
HSL	hsl(232, 68%, 29%)
HSV	hsv(232, 81%, 49%)
CMYK	cmyk(81%, 70.6%, 0%, 50.6%)
CIE-LAB	lab(20.14, 29.09, -51.51)
CIE-LCH	lch(20.14, 59.16, 299.46°)
OKLab	oklab(32.32% -0.0024 -0.1491)
OKLCH	oklch(32.32% 0.149 269.1)
XYZ	xyz(4.8029, 3.0231, 20.0650)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18257E #7E7118

analogous

#18587E #18257E #3E187E

triadic

#18257E #7E1825 #257E18

tetradic

#18257E #7E1858 #7E7118 #187E3E

square

#18257E #7E1858 #7E7118 #187E3E

split-complementary

#18257E #7E3E18 #587E18

monochromatic

#05081A #0E164B #18257E #2234B1 #374CD9

Accessibility & contrast

On white

13.09

#18257E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#18257E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18257E

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18257E	#FFFFFF	#000000	##FFFFFF
##18257E	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#002C7C

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18257e;
/* rgb */ color: rgb(24, 37, 126);
/* oklch */ color: oklch(32.3% 0.149 269.1);

Tailwind

colors: {
  custom: {
    50: '#685fa4',
    500: '#18257e',
    950: '#000000',
  },
}

SCSS

$custom: #18257e;
$custom-light: #685fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#18257e",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 126
  },
  "hsl": {
    "h": 232.353,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32325,
    "c": 0.14916,
    "h": 269.1
  },
  "luminance": 0.03024
}

Semantic roles & 50–950 ramp

primary

#18257E

secondary

#B2A43F

accent

#D53DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18257E

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

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