#182B66#182B66

#182B66 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.107 H 266.6°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#182B66
RGB	rgb(24, 43, 102)
HSL	hsl(225, 62%, 25%)
HSV	hsv(225, 76%, 40%)
CMYK	cmyk(76.5%, 57.8%, 0%, 60%)
CIE-LAB	lab(19.56, 15.23, -37.00)
CIE-LCH	lch(19.56, 40.01, 292.37°)
OKLab	oklab(31.22% -0.0063 -0.1065)
OKLCH	oklch(31.22% 0.107 266.6)
XYZ	xyz(3.6380, 2.8809, 12.9321)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B66 #665318

analogous

#185266 #182B66 #2C1866

triadic

#182B66 #66182B #2B6618

tetradic

#182B66 #661852 #665318 #18662C

square

#182B66 #661852 #665318 #18662C

split-complementary

#182B66 #662C18 #526618

monochromatic

#060A19 #0C1634 #182B66 #244098 #2F55C9

Accessibility & contrast

On white

13.32

#182B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#182B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B66

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B66	#FFFFFF	#000000	##FFFFFF
##182B66	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003368

Deuteranopia (green-blind)

#002C65

Tritanopia (blue-blind)

#003944

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182b66;
/* rgb */ color: rgb(24, 43, 102);
/* oklch */ color: oklch(31.2% 0.107 266.6);

Tailwind

colors: {
  custom: {
    50: '#616392',
    500: '#182b66',
    950: '#000000',
  },
}

SCSS

$custom: #182b66;
$custom-light: #616392;
$custom-dark: #000000;

JSON

{
  "hex": "#182b66",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 102
  },
  "hsl": {
    "h": 225.385,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.31215,
    "c": 0.10673,
    "h": 266.6
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#182B66

secondary

#9C853E

accent

#BD43E5

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#05050D

muted

#7A797E

Preview Lab

Preview with #182B66

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

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