#182A7A#182A7A

#182A7A is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.9% C 0.137 H 267.9°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#182A7A
RGB	rgb(24, 42, 122)
HSL	hsl(229, 67%, 29%)
HSV	hsv(229, 80%, 48%)
CMYK	cmyk(80.3%, 65.6%, 0%, 52.2%)
CIE-LAB	lab(21.04, 24.10, -47.49)
CIE-LCH	lch(21.04, 53.25, 296.90°)
OKLab	oklab(32.86% -0.0051 -0.1374)
OKLCH	oklch(32.86% 0.137 267.9)
XYZ	xyz(4.7163, 3.2547, 18.7882)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A7A #7A6818

analogous

#185B7A #182A7A #37187A

triadic

#182A7A #7A182A #2A7A18

tetradic

#182A7A #7A185B #7A6818 #187A37

square

#182A7A #7A185B #7A6818 #187A37

split-complementary

#182A7A #7A3718 #5B7A18

monochromatic

#05091A #0E1847 #182A7A #223CAD #3553D7

Accessibility & contrast

On white

12.72

#182A7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182A7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A7A

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A7A	#FFFFFF	#000000	##FFFFFF
##182A7A	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#002E78

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182a7a;
/* rgb */ color: rgb(24, 42, 122);
/* oklch */ color: oklch(32.9% 0.137 267.9);

Tailwind

colors: {
  custom: {
    50: '#6763a1',
    500: '#182a7a',
    950: '#000000',
  },
}

SCSS

$custom: #182a7a;
$custom-light: #6763a1;
$custom-dark: #000000;

JSON

{
  "hex": "#182a7a",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 122
  },
  "hsl": {
    "h": 228.98,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32864,
    "c": 0.13745,
    "h": 267.9
  },
  "luminance": 0.03255
}

Semantic roles & 50–950 ramp

primary

#182A7A

secondary

#AF9A3F

accent

#CA3EEA

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182A7A

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

Preview Lab → · Contrast checker → · Palette generator →