#181E65#181E65

#181E65 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.4% C 0.123 H 272.0°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#181E65
RGB	rgb(24, 30, 101)
HSL	hsl(235, 62%, 25%)
HSV	hsv(235, 76%, 40%)
CMYK	cmyk(76.2%, 70.3%, 0%, 60.4%)
CIE-LAB	lab(15.81, 24.16, -42.46)
CIE-LCH	lch(15.81, 48.85, 299.64°)
OKLab	oklab(28.4% 0.0043 -0.1227)
OKLCH	oklch(28.4% 0.123 272)
XYZ	xyz(3.1891, 2.0620, 12.5393)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E65 #655F18

analogous

#184565 #181E65 #391865

triadic

#181E65 #65181E #1E6518

tetradic

#181E65 #651845 #655F18 #186539

square

#181E65 #651845 #655F18 #186539

split-complementary

#181E65 #653918 #456518

monochromatic

#060719 #0C0F34 #181E65 #242D96 #303BC8

Accessibility & contrast

On white

14.87

#181E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#181E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E65

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E65	#FFFFFF	#000000	##FFFFFF
##181E65	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002464

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181e65;
/* rgb */ color: rgb(24, 30, 101);
/* oklch */ color: oklch(28.4% 0.123 272.0);

Tailwind

colors: {
  custom: {
    50: '#625a92',
    500: '#181e65',
    950: '#000000',
  },
}

SCSS

$custom: #181e65;
$custom-light: #625a92;
$custom-dark: #000000;

JSON

{
  "hex": "#181e65",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 101
  },
  "hsl": {
    "h": 235.325,
    "s": 61.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.28404,
    "c": 0.12281,
    "h": 272
  },
  "luminance": 0.02062
}

Semantic roles & 50–950 ramp

primary

#181E65

secondary

#9B943E

accent

#D843E5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181E65

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

Preview Lab → · Contrast checker → · Palette generator →