#182A7C#182A7C

#182A7C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.1% C 0.140 H 267.9°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#182A7C
RGB	rgb(24, 42, 124)
HSL	hsl(229, 68%, 29%)
HSV	hsv(229, 81%, 49%)
CMYK	cmyk(80.6%, 66.1%, 0%, 51.4%)
CIE-LAB	lab(21.23, 24.89, -48.45)
CIE-LCH	lch(21.23, 54.47, 297.19°)
OKLab	oklab(33.06% -0.0051 -0.1402)
OKLCH	oklch(33.06% 0.14 267.9)
XYZ	xyz(4.8415, 3.3048, 19.4476)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A7C #7C6A18

analogous

#185C7C #182A7C #38187C

triadic

#182A7C #7C182A #2A7C18

tetradic

#182A7C #7C185C #7C6A18 #187C38

square

#182A7C #7C185C #7C6A18 #187C38

split-complementary

#182A7C #7C3818 #5C7C18

monochromatic

#05091A #0E1949 #182A7C #223BAF #3653D8

Accessibility & contrast

On white

12.64

#182A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#182A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A7C

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A7C	#FFFFFF	#000000	##FFFFFF
##182A7C	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#002E7A

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182a7c;
/* rgb */ color: rgb(24, 42, 124);
/* oklch */ color: oklch(33.1% 0.140 267.9);

Tailwind

colors: {
  custom: {
    50: '#6763a3',
    500: '#182a7c',
    950: '#000000',
  },
}

SCSS

$custom: #182a7c;
$custom-light: #6763a3;
$custom-dark: #000000;

JSON

{
  "hex": "#182a7c",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 124
  },
  "hsl": {
    "h": 229.2,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33062,
    "c": 0.14026,
    "h": 267.9
  },
  "luminance": 0.03305
}

Semantic roles & 50–950 ramp

primary

#182A7C

secondary

#B19C3F

accent

#CB3DEA

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182A7C

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

Preview Lab → · Contrast checker → · Palette generator →