#182D7A#182D7A

#182D7A is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.5% C 0.134 H 267.0°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#182D7A
RGB	rgb(24, 45, 122)
HSL	hsl(227, 67%, 29%)
HSV	hsv(227, 80%, 48%)
CMYK	cmyk(80.3%, 63.1%, 0%, 52.2%)
CIE-LAB	lab(21.86, 21.98, -46.15)
CIE-LCH	lch(21.86, 51.12, 295.47°)
OKLab	oklab(33.47% -0.0071 -0.1334)
OKLCH	oklch(33.47% 0.134 267)
XYZ	xyz(4.8267, 3.4756, 18.8250)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D7A #7A6518

analogous

#185E7A #182D7A #34187A

triadic

#182D7A #7A182D #2D7A18

tetradic

#182D7A #7A185E #7A6518 #187A34

square

#182D7A #7A185E #7A6518 #187A34

split-complementary

#182D7A #7A3418 #5E7A18

monochromatic

#05091A #0E1A47 #182D7A #2240AD #3558D7

Accessibility & contrast

On white

12.39

#182D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#182D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D7A

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D7A	#FFFFFF	#000000	##FFFFFF
##182D7A	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397D

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182d7a;
/* rgb */ color: rgb(24, 45, 122);
/* oklch */ color: oklch(33.5% 0.134 267.0);

Tailwind

colors: {
  custom: {
    50: '#6665a1',
    500: '#182d7a',
    950: '#000000',
  },
}

SCSS

$custom: #182d7a;
$custom-light: #6665a1;
$custom-dark: #000000;

JSON

{
  "hex": "#182d7a",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 122
  },
  "hsl": {
    "h": 227.143,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33471,
    "c": 0.13358,
    "h": 267
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#182D7A

secondary

#AF973F

accent

#C53EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182D7A

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

Preview Lab → · Contrast checker → · Palette generator →