#182D7E#182D7E

#182D7E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.139 H 267.1°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#182D7E
RGB	rgb(24, 45, 126)
HSL	hsl(228, 68%, 29%)
HSV	hsv(228, 81%, 49%)
CMYK	cmyk(81%, 64.3%, 0%, 50.6%)
CIE-LAB	lab(22.22, 23.60, -48.09)
CIE-LCH	lch(22.22, 53.57, 296.14°)
OKLab	oklab(33.85% -0.0071 -0.1391)
OKLCH	oklch(33.85% 0.139 267.1)
XYZ	xyz(5.0797, 3.5767, 20.1573)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D7E #7E6918

analogous

#18607E #182D7E #36187E

triadic

#182D7E #7E182D #2D7E18

tetradic

#182D7E #7E1860 #7E6918 #187E36

square

#182D7E #7E1860 #7E6918 #187E36

split-complementary

#182D7E #7E3618 #607E18

monochromatic

#05091A #0E1B4B #182D7E #223FB1 #3759D9

Accessibility & contrast

On white

12.24

#182D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#182D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D7E

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D7E	#FFFFFF	#000000	##FFFFFF
##182D7E	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A81

Deuteranopia (green-blind)

#00307C

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182d7e;
/* rgb */ color: rgb(24, 45, 126);
/* oklch */ color: oklch(33.9% 0.139 267.1);

Tailwind

colors: {
  custom: {
    50: '#6765a4',
    500: '#182d7e',
    950: '#000000',
  },
}

SCSS

$custom: #182d7e;
$custom-light: #6765a4;
$custom-dark: #000000;

JSON

{
  "hex": "#182d7e",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 126
  },
  "hsl": {
    "h": 227.647,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33854,
    "c": 0.13927,
    "h": 267.1
  },
  "luminance": 0.03577
}

Semantic roles & 50–950 ramp

primary

#182D7E

secondary

#B29B3F

accent

#C73DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182D7E

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

Preview Lab → · Contrast checker → · Palette generator →