#182B7F#182B7F

#182B7F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.143 H 267.7°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#182B7F
RGB	rgb(24, 43, 127)
HSL	hsl(229, 68%, 30%)
HSV	hsv(229, 81%, 50%)
CMYK	cmyk(81.1%, 66.1%, 0%, 50.2%)
CIE-LAB	lab(21.78, 25.39, -49.45)
CIE-LCH	lch(21.78, 55.59, 297.18°)
OKLab	oklab(33.56% -0.0058 -0.1431)
OKLCH	oklch(33.56% 0.143 267.7)
XYZ	xyz(5.0700, 3.4537, 20.4740)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B7F #7F6C18

analogous

#185F7F #182B7F #39187F

triadic

#182B7F #7F182B #2B7F18

tetradic

#182B7F #7F185F #7F6C18 #187F39

square

#182B7F #7F185F #7F6C18 #187F39

split-complementary

#182B7F #7F3918 #5F7F18

monochromatic

#05091A #0E1A4C #182B7F #223CB2 #3856D9

Accessibility & contrast

On white

12.42

#182B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#182B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B7F

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B7F	#FFFFFF	#000000	##FFFFFF
##182B7F	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	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: #182b7f;
/* rgb */ color: rgb(24, 43, 127);
/* oklch */ color: oklch(33.6% 0.143 267.7);

Tailwind

colors: {
  custom: {
    50: '#6864a5',
    500: '#182b7f',
    950: '#000000',
  },
}

SCSS

$custom: #182b7f;
$custom-light: #6864a5;
$custom-dark: #000000;

JSON

{
  "hex": "#182b7f",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 127
  },
  "hsl": {
    "h": 228.932,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33555,
    "c": 0.14321,
    "h": 267.7
  },
  "luminance": 0.03454
}

Semantic roles & 50–950 ramp

primary

#182B7F

secondary

#B39E3F

accent

#CB3DEB

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182B7F

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

Preview Lab → · Contrast checker → · Palette generator →