#18257D#18257D

#18257D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.2% C 0.148 H 269.1°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#18257D
RGB	rgb(24, 37, 125)
HSL	hsl(232, 68%, 29%)
HSV	hsv(232, 81%, 49%)
CMYK	cmyk(80.8%, 70.4%, 0%, 51%)
CIE-LAB	lab(20.03, 28.71, -51.04)
CIE-LCH	lch(20.03, 58.56, 299.35°)
OKLab	oklab(32.22% -0.0023 -0.1478)
OKLCH	oklch(32.22% 0.148 269.1)
XYZ	xyz(4.7387, 2.9975, 19.7269)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18257D #7D7018

analogous

#18587D #18257D #3E187D

triadic

#18257D #7D1825 #257D18

tetradic

#18257D #7D1858 #7D7018 #187D3E

square

#18257D #7D1858 #7D7018 #187D3E

split-complementary

#18257D #7D3E18 #587D18

monochromatic

#05081A #0E164A #18257D #2234B0 #374CD9

Accessibility & contrast

On white

13.13

#18257D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#18257D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18257D

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18257D	#FFFFFF	#000000	##FFFFFF
##18257D	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#002C7B

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18257d;
/* rgb */ color: rgb(24, 37, 125);
/* oklch */ color: oklch(32.2% 0.148 269.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18257d",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 125
  },
  "hsl": {
    "h": 232.277,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3222,
    "c": 0.1478,
    "h": 269.1
  },
  "luminance": 0.02998
}

Semantic roles & 50–950 ramp

primary

#18257D

secondary

#B2A33F

accent

#D43DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18257D

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

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