#18276A#18276A

#18276A is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.7% C 0.118 H 268.7°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#18276A
RGB	rgb(24, 39, 106)
HSL	hsl(229, 63%, 25%)
HSV	hsv(229, 77%, 42%)
CMYK	cmyk(77.4%, 63.2%, 0%, 58.4%)
CIE-LAB	lab(18.74, 19.77, -40.95)
CIE-LCH	lch(18.74, 45.47, 295.77°)
OKLab	oklab(30.71% -0.0027 -0.1182)
OKLCH	oklch(30.71% 0.118 268.7)
XYZ	xyz(3.7028, 2.6854, 13.9561)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18276A #6A5B18

analogous

#18506A #18276A #32186A

triadic

#18276A #6A1827 #276A18

tetradic

#18276A #6A1850 #6A5B18 #186A32

square

#18276A #6A1850 #6A5B18 #186A32

split-complementary

#18276A #6A3218 #506A18

monochromatic

#060919 #0D1538 #18276A #23399C #2F4CCE

Accessibility & contrast

On white

13.66

#18276A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#18276A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18276A

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18276A	#FFFFFF	#000000	##FFFFFF
##18276A	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316C

Deuteranopia (green-blind)

#002A69

Tritanopia (blue-blind)

#003844

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18276a;
/* rgb */ color: rgb(24, 39, 106);
/* oklch */ color: oklch(30.7% 0.118 268.7);

Tailwind

colors: {
  custom: {
    50: '#626095',
    500: '#18276a',
    950: '#000000',
  },
}

SCSS

$custom: #18276a;
$custom-light: #626095;
$custom-dark: #000000;

JSON

{
  "hex": "#18276a",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 106
  },
  "hsl": {
    "h": 229.024,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30706,
    "c": 0.11824,
    "h": 268.7
  },
  "luminance": 0.02686
}

Semantic roles & 50–950 ramp

primary

#18276A

secondary

#A08E3E

accent

#C842E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #18276A

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

Preview Lab → · Contrast checker → · Palette generator →