#182F6B#182F6B

#182F6B is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.6% C 0.109 H 265.0°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#182F6B
RGB	rgb(24, 47, 107)
HSL	hsl(223, 63%, 26%)
HSV	hsv(223, 78%, 42%)
CMYK	cmyk(77.6%, 56.1%, 0%, 58%)
CIE-LAB	lab(21.16, 14.40, -37.65)
CIE-LCH	lch(21.16, 40.31, 290.92°)
OKLab	oklab(32.55% -0.0094 -0.1084)
OKLCH	oklch(32.55% 0.109 265)
XYZ	xyz(4.0461, 3.2883, 14.3285)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F6B #6B5418

analogous

#18586B #182F6B #2A186B

triadic

#182F6B #6B182F #2F6B18

tetradic

#182F6B #6B1858 #6B5418 #186B2A

square

#182F6B #6B1858 #6B5418 #186B2A

split-complementary

#182F6B #6B2A18 #586B18

monochromatic

#060B19 #0D1939 #182F6B #23459D #2E5BCF

Accessibility & contrast

On white

12.67

#182F6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#182F6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F6B

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F6B	#FFFFFF	#000000	##FFFFFF
##182F6B	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04376D

Deuteranopia (green-blind)

#002F6A

Tritanopia (blue-blind)

#003E48

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182f6b;
/* rgb */ color: rgb(24, 47, 107);
/* oklch */ color: oklch(32.6% 0.109 265.0);

Tailwind

colors: {
  custom: {
    50: '#626796',
    500: '#182f6b',
    950: '#000000',
  },
}

SCSS

$custom: #182f6b;
$custom-light: #626796;
$custom-dark: #000000;

JSON

{
  "hex": "#182f6b",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 107
  },
  "hsl": {
    "h": 223.373,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.32553,
    "c": 0.10881,
    "h": 265
  },
  "luminance": 0.03289
}

Semantic roles & 50–950 ramp

primary

#182F6B

secondary

#A1853E

accent

#B941E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #182F6B

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

Preview Lab → · Contrast checker → · Palette generator →