#181D46#181D46

#181D46 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.076 H 274.3°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#181D46
RGB	rgb(24, 29, 70)
HSL	hsl(233, 49%, 18%)
HSV	hsv(233, 66%, 27%)
CMYK	cmyk(65.7%, 58.6%, 0%, 72.5%)
CIE-LAB	lab(12.70, 12.48, -26.55)
CIE-LCH	lch(12.70, 29.34, 295.18°)
OKLab	oklab(25.23% 0.0058 -0.076)
OKLCH	oklch(25.23% 0.076 274.3)
XYZ	xyz(1.9212, 1.5150, 5.9843)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181D46 #464118

analogous

#183446 #181D46 #2A1846

triadic

#181D46 #46181D #1D4618

tetradic

#181D46 #461834 #464118 #18462A

square

#181D46 #461834 #464118 #18462A

split-complementary

#181D46 #462A18 #344618

monochromatic

#080917 #080A18 #181D46 #283074 #3743A1

Accessibility & contrast

On white

16.12

#181D46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#181D46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181D46

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181D46	#FFFFFF	#000000	##FFFFFF
##181D46	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062347

Deuteranopia (green-blind)

#001F45

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #181d46;
/* rgb */ color: rgb(24, 29, 70);
/* oklch */ color: oklch(25.2% 0.076 274.3);

Tailwind

colors: {
  custom: {
    50: '#5a587a',
    500: '#181d46',
    950: '#000000',
  },
}

SCSS

$custom: #181d46;
$custom-light: #5a587a;
$custom-dark: #000000;

JSON

{
  "hex": "#181d46",
  "rgb": {
    "r": 24,
    "g": 29,
    "b": 70
  },
  "hsl": {
    "h": 233.478,
    "s": 48.936,
    "l": 18.431
  },
  "oklch": {
    "l": 0.25226,
    "c": 0.07625,
    "h": 274.3
  },
  "luminance": 0.01515
}

Semantic roles & 50–950 ramp

primary

#181D46

secondary

#7D763D

accent

#CA4FD8

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #181D46

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

Preview Lab → · Contrast checker → · Palette generator →