#182A7E#182A7E

#182A7E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.143 H 267.9°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#182A7E
RGB	rgb(24, 42, 126)
HSL	hsl(229, 68%, 29%)
HSV	hsv(229, 81%, 49%)
CMYK	cmyk(81%, 66.7%, 0%, 50.6%)
CIE-LAB	lab(21.42, 25.68, -49.41)
CIE-LCH	lch(21.42, 55.68, 297.47°)
OKLab	oklab(33.26% -0.0052 -0.143)
OKLCH	oklch(33.26% 0.143 267.9)
XYZ	xyz(4.9692, 3.3559, 20.1205)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A7E #7E6C18

analogous

#185D7E #182A7E #39187E

triadic

#182A7E #7E182A #2A7E18

tetradic

#182A7E #7E185D #7E6C18 #187E39

square

#182A7E #7E185D #7E6C18 #187E39

split-complementary

#182A7E #7E3918 #5D7E18

monochromatic

#05091A #0E194B #182A7E #223BB1 #3754D9

Accessibility & contrast

On white

12.57

#182A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#182A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A7E

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A7E	#FFFFFF	#000000	##FFFFFF
##182A7E	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182a7e;
/* rgb */ color: rgb(24, 42, 126);
/* oklch */ color: oklch(33.3% 0.143 267.9);

Tailwind

colors: {
  custom: {
    50: '#6863a4',
    500: '#182a7e',
    950: '#000000',
  },
}

SCSS

$custom: #182a7e;
$custom-light: #6863a4;
$custom-dark: #000000;

JSON

{
  "hex": "#182a7e",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 126
  },
  "hsl": {
    "h": 229.412,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33261,
    "c": 0.14306,
    "h": 267.9
  },
  "luminance": 0.03356
}

Semantic roles & 50–950 ramp

primary

#182A7E

secondary

#B29E3F

accent

#CC3DEB

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182A7E

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

Preview Lab → · Contrast checker → · Palette generator →