#182B7A#182B7A

#182B7A is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.1% C 0.136 H 267.6°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#182B7A
RGB	rgb(24, 43, 122)
HSL	hsl(228, 67%, 29%)
HSV	hsv(228, 80%, 48%)
CMYK	cmyk(80.3%, 64.8%, 0%, 52.2%)
CIE-LAB	lab(21.31, 23.39, -47.05)
CIE-LCH	lch(21.31, 52.54, 296.44°)
OKLab	oklab(33.06% -0.0057 -0.136)
OKLCH	oklch(33.06% 0.136 267.6)
XYZ	xyz(4.7522, 3.3265, 18.8002)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B7A #7A6718

analogous

#185C7A #182B7A #36187A

triadic

#182B7A #7A182B #2B7A18

tetradic

#182B7A #7A185C #7A6718 #187A36

square

#182B7A #7A185C #7A6718 #187A36

split-complementary

#182B7A #7A3618 #5C7A18

monochromatic

#05091A #0E1947 #182B7A #223DAD #3555D7

Accessibility & contrast

On white

12.61

#182B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#182B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B7A

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B7A	#FFFFFF	#000000	##FFFFFF
##182B7A	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387D

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182b7a;
/* rgb */ color: rgb(24, 43, 122);
/* oklch */ color: oklch(33.1% 0.136 267.6);

Tailwind

colors: {
  custom: {
    50: '#6664a1',
    500: '#182b7a',
    950: '#000000',
  },
}

SCSS

$custom: #182b7a;
$custom-light: #6664a1;
$custom-dark: #000000;

JSON

{
  "hex": "#182b7a",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 122
  },
  "hsl": {
    "h": 228.367,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33064,
    "c": 0.13617,
    "h": 267.6
  },
  "luminance": 0.03327
}

Semantic roles & 50–950 ramp

primary

#182B7A

secondary

#AF993F

accent

#C93EEA

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182B7A

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

Preview Lab → · Contrast checker → · Palette generator →