#18277A#18277A

#18277A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.3% C 0.141 H 268.7°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#18277A
RGB	rgb(24, 39, 122)
HSL	hsl(231, 67%, 29%)
HSV	hsv(231, 80%, 48%)
CMYK	cmyk(80.3%, 68%, 0%, 52.2%)
CIE-LAB	lab(20.24, 26.18, -48.79)
CIE-LCH	lch(20.24, 55.37, 298.21°)
OKLab	oklab(32.28% -0.0032 -0.1412)
OKLCH	oklch(32.28% 0.141 268.7)
XYZ	xyz(4.6138, 3.0499, 18.7541)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18277A #7A6B18

analogous

#18587A #18277A #3A187A

triadic

#18277A #7A1827 #277A18

tetradic

#18277A #7A1858 #7A6B18 #187A3A

square

#18277A #7A1858 #7A6B18 #187A3A

split-complementary

#18277A #7A3A18 #587A18

monochromatic

#05081A #0E1747 #18277A #2237AD #354ED7

Accessibility & contrast

On white

13.04

#18277A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#18277A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18277A

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18277A	#FFFFFF	#000000	##FFFFFF
##18277A	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)

#00367D

Deuteranopia (green-blind)

#002C78

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18277a;
/* rgb */ color: rgb(24, 39, 122);
/* oklch */ color: oklch(32.3% 0.141 268.7);

Tailwind

colors: {
  custom: {
    50: '#6761a1',
    500: '#18277a',
    950: '#000000',
  },
}

SCSS

$custom: #18277a;
$custom-light: #6761a1;
$custom-dark: #000000;

JSON

{
  "hex": "#18277a",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 122
  },
  "hsl": {
    "h": 230.816,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32281,
    "c": 0.14123,
    "h": 268.7
  },
  "luminance": 0.0305
}

Semantic roles & 50–950 ramp

primary

#18277A

secondary

#AF9E3F

accent

#D03EEA

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #18277A

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

Preview Lab → · Contrast checker → · Palette generator →