#180F6A#180F6A

#180F6A is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.6% C 0.146 H 274.5°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#180F6A
RGB	rgb(24, 15, 106)
HSL	hsl(246, 75%, 24%)
HSV	hsv(246, 86%, 42%)
CMYK	cmyk(77.4%, 85.8%, 0%, 58.4%)
CIE-LAB	lab(13.08, 35.21, -50.25)
CIE-LCH	lch(13.08, 61.36, 305.02°)
OKLab	oklab(26.64% 0.0114 -0.1453)
OKLCH	oklch(26.64% 0.146 274.5)
XYZ	xyz(3.1482, 1.5761, 13.7712)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180F6A #616A0F

analogous

#0F336A #180F6A #450F6A

triadic

#180F6A #6A180F #0F6A18

tetradic

#180F6A #6A0F33 #616A0F #0F6A45

square

#180F6A #6A0F33 #616A0F #0F6A45

split-complementary

#180F6A #6A450F #336A0F

monochromatic

#06041B #0C0734 #180F6A #2417A0 #301ED5

Accessibility & contrast

On white

15.97

#180F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#180F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180F6A

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180F6A	#FFFFFF	#000000	##FFFFFF
##180F6A	1.00	15.97	1.32	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00266C

Deuteranopia (green-blind)

#001D68

Tritanopia (blue-blind)

#002C3D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #180f6a;
/* rgb */ color: rgb(24, 15, 106);
/* oklch */ color: oklch(26.6% 0.146 274.5);

Tailwind

colors: {
  custom: {
    50: '#655096',
    500: '#180f6a',
    950: '#000000',
  },
}

SCSS

$custom: #180f6a;
$custom-light: #655096;
$custom-dark: #000000;

JSON

{
  "hex": "#180f6a",
  "rgb": {
    "r": 24,
    "g": 15,
    "b": 106
  },
  "hsl": {
    "h": 245.934,
    "s": 75.207,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26635,
    "c": 0.14575,
    "h": 274.5
  },
  "luminance": 0.01576
}

Semantic roles & 50–950 ramp

primary

#180F6A

secondary

#97A232

accent

#F236DF

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #180F6A

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

Preview Lab → · Contrast checker → · Palette generator →