#182A66#182A66

#182A66 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.0% C 0.108 H 267.1°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#182A66
RGB	rgb(24, 42, 102)
HSL	hsl(226, 62%, 25%)
HSV	hsv(226, 76%, 40%)
CMYK	cmyk(76.5%, 58.8%, 0%, 60%)
CIE-LAB	lab(19.26, 15.95, -37.48)
CIE-LCH	lch(19.26, 40.74, 293.06°)
OKLab	oklab(30.99% -0.0054 -0.108)
OKLCH	oklch(30.99% 0.108 267.1)
XYZ	xyz(3.6021, 2.8091, 12.9202)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A66 #665418

analogous

#185166 #182A66 #2D1866

triadic

#182A66 #66182A #2A6618

tetradic

#182A66 #661851 #665418 #18662D

square

#182A66 #661851 #665418 #18662D

split-complementary

#182A66 #662D18 #516618

monochromatic

#060A19 #0C1634 #182A66 #243E98 #2F53C9

Accessibility & contrast

On white

13.45

#182A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#182A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A66

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A66	#FFFFFF	#000000	##FFFFFF
##182A66	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003268

Deuteranopia (green-blind)

#002B65

Tritanopia (blue-blind)

#003943

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182a66;
/* rgb */ color: rgb(24, 42, 102);
/* oklch */ color: oklch(31.0% 0.108 267.1);

Tailwind

colors: {
  custom: {
    50: '#616392',
    500: '#182a66',
    950: '#000000',
  },
}

SCSS

$custom: #182a66;
$custom-light: #616392;
$custom-dark: #000000;

JSON

{
  "hex": "#182a66",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 102
  },
  "hsl": {
    "h": 226.154,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3099,
    "c": 0.10812,
    "h": 267.1
  },
  "luminance": 0.02809
}

Semantic roles & 50–950 ramp

primary

#182A66

secondary

#9C863E

accent

#C043E5

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #182A66

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

Preview Lab → · Contrast checker → · Palette generator →