#18266B#18266B

#18266B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.121 H 269.1°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#18266B
RGB	rgb(24, 38, 107)
HSL	hsl(230, 63%, 26%)
HSV	hsv(230, 78%, 42%)
CMYK	cmyk(77.6%, 64.5%, 0%, 58%)
CIE-LAB	lab(18.55, 20.89, -41.91)
CIE-LCH	lch(18.55, 46.83, 296.50°)
OKLab	oklab(30.59% -0.002 -0.121)
OKLCH	oklch(30.59% 0.121 269.1)
XYZ	xyz(3.7227, 2.6416, 14.2207)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18266B #6B5D18

analogous

#184F6B #18266B #34186B

triadic

#18266B #6B1826 #266B18

tetradic

#18266B #6B184F #6B5D18 #186B34

square

#18266B #6B184F #6B5D18 #186B34

split-complementary

#18266B #6B3418 #4F6B18

monochromatic

#060919 #0D1439 #18266B #23389D #2E4ACF

Accessibility & contrast

On white

13.74

#18266B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#18266B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18266B

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18266B	#FFFFFF	#000000	##FFFFFF
##18266B	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316D

Deuteranopia (green-blind)

#00296A

Tritanopia (blue-blind)

#003844

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18266b;
/* rgb */ color: rgb(24, 38, 107);
/* oklch */ color: oklch(30.6% 0.121 269.1);

Tailwind

colors: {
  custom: {
    50: '#636096',
    500: '#18266b',
    950: '#000000',
  },
}

SCSS

$custom: #18266b;
$custom-light: #636096;
$custom-dark: #000000;

JSON

{
  "hex": "#18266b",
  "rgb": {
    "r": 24,
    "g": 38,
    "b": 107
  },
  "hsl": {
    "h": 229.88,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.30593,
    "c": 0.12107,
    "h": 269.1
  },
  "luminance": 0.02642
}

Semantic roles & 50–950 ramp

primary

#18266B

secondary

#A1903E

accent

#CB41E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #18266B

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

Preview Lab → · Contrast checker → · Palette generator →