#182A4E#182A4E

#182A4E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.0% C 0.070 H 262.8°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#182A4E
RGB	rgb(24, 42, 78)
HSL	hsl(220, 53%, 20%)
HSV	hsv(220, 69%, 31%)
CMYK	cmyk(69.2%, 46.2%, 0%, 69.4%)
CIE-LAB	lab(17.46, 6.03, -24.42)
CIE-LCH	lch(17.46, 25.15, 283.87°)
OKLab	oklab(29.04% -0.0088 -0.0696)
OKLCH	oklch(29.04% 0.07 262.8)
XYZ	xyz(2.5793, 2.3999, 7.5336)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A4E #4E3C18

analogous

#18454E #182A4E #21184E

triadic

#182A4E #4E182A #2A4E18

tetradic

#182A4E #4E1845 #4E3C18 #184E21

square

#182A4E #4E1845 #4E3C18 #184E21

split-complementary

#182A4E #4E2118 #454E18

monochromatic

#070D17 #0A111F #182A4E #26437D #355CAC

Accessibility & contrast

On white

14.19

#182A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#182A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A4E

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A4E	#FFFFFF	#000000	##FFFFFF
##182A4E	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2E4F

Deuteranopia (green-blind)

#12294D

Tritanopia (blue-blind)

#003238

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182a4e;
/* rgb */ color: rgb(24, 42, 78);
/* oklch */ color: oklch(29.0% 0.070 262.8);

Tailwind

colors: {
  custom: {
    50: '#5b6380',
    500: '#182a4e',
    950: '#000000',
  },
}

SCSS

$custom: #182a4e;
$custom-light: #5b6380;
$custom-dark: #000000;

JSON

{
  "hex": "#182a4e",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 78
  },
  "hsl": {
    "h": 220,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.29041,
    "c": 0.07012,
    "h": 262.8
  },
  "luminance": 0.024
}

Semantic roles & 50–950 ramp

primary

#182A4E

secondary

#856D3D

accent

#AC4BDC

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #182A4E

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

Preview Lab → · Contrast checker → · Palette generator →