#182A7F#182A7F

#182A7F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.144 H 267.9°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#182A7F
RGB	rgb(24, 42, 127)
HSL	hsl(230, 68%, 30%)
HSV	hsv(230, 81%, 50%)
CMYK	cmyk(81.1%, 66.9%, 0%, 50.2%)
CIE-LAB	lab(21.51, 26.08, -49.88)
CIE-LCH	lch(21.51, 56.29, 297.60°)
OKLab	oklab(33.36% -0.0052 -0.1444)
OKLCH	oklch(33.36% 0.144 267.9)
XYZ	xyz(5.0341, 3.3819, 20.4620)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A7F #7F6D18

analogous

#185D7F #182A7F #3A187F

triadic

#182A7F #7F182A #2A7F18

tetradic

#182A7F #7F185D #7F6D18 #187F3A

square

#182A7F #7F185D #7F6D18 #187F3A

split-complementary

#182A7F #7F3A18 #5D7F18

monochromatic

#05091A #0E194C #182A7F #223BB2 #3854D9

Accessibility & contrast

On white

12.53

#182A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#182A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A7F

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A7F	#FFFFFF	#000000	##FFFFFF
##182A7F	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182a7f;
/* rgb */ color: rgb(24, 42, 127);
/* oklch */ color: oklch(33.4% 0.144 267.9);

Tailwind

colors: {
  custom: {
    50: '#6863a5',
    500: '#182a7f',
    950: '#000000',
  },
}

SCSS

$custom: #182a7f;
$custom-light: #6863a5;
$custom-dark: #000000;

JSON

{
  "hex": "#182a7f",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 127
  },
  "hsl": {
    "h": 229.515,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33361,
    "c": 0.14446,
    "h": 267.9
  },
  "luminance": 0.03382
}

Semantic roles & 50–950 ramp

primary

#182A7F

secondary

#B39F3F

accent

#CD3DEB

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182A7F

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

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