#180E5C#180E5C

#180E5C is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.8% C 0.129 H 277.2°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#180E5C
RGB	rgb(24, 14, 92)
HSL	hsl(248, 74%, 21%)
HSV	hsv(248, 85%, 36%)
CMYK	cmyk(73.9%, 84.8%, 0%, 63.9%)
CIE-LAB	lab(11.14, 31.01, -44.16)
CIE-LCH	lch(11.14, 53.96, 305.08°)
OKLab	oklab(24.77% 0.0161 -0.1276)
OKLCH	oklch(24.77% 0.129 277.2)
XYZ	xyz(2.4649, 1.2808, 10.2405)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180E5C #525C0E

analogous

#0E2B5C #180E5C #3F0E5C

triadic

#180E5C #5C180E #0E5C18

tetradic

#180E5C #5C0E2B #525C0E #0E5C3F

square

#180E5C #5C0E2B #525C0E #0E5C3F

split-complementary

#180E5C #5C3F0E #2B5C0E

monochromatic

#07041B #0A0627 #180E5C #261691 #341EC6

Accessibility & contrast

On white

16.72

#180E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#180E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180E5C

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180E5C	#FFFFFF	#000000	##FFFFFF
##180E5C	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215E

Deuteranopia (green-blind)

#001A5B

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #180e5c;
/* rgb */ color: rgb(24, 14, 92);
/* oklch */ color: oklch(24.8% 0.129 277.2);

Tailwind

colors: {
  custom: {
    50: '#614f8b',
    500: '#180e5c',
    950: '#000000',
  },
}

SCSS

$custom: #180e5c;
$custom-light: #614f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#180e5c",
  "rgb": {
    "r": 24,
    "g": 14,
    "b": 92
  },
  "hsl": {
    "h": 247.692,
    "s": 73.585,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24771,
    "c": 0.12862,
    "h": 277.2
  },
  "luminance": 0.01281
}

Semantic roles & 50–950 ramp

primary

#180E5C

secondary

#899630

accent

#F038D9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #180E5C

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

Preview Lab → · Contrast checker → · Palette generator →