#182A4F#182A4F

#182A4F is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.1% C 0.072 H 263.1°. Best body text is #FFFFFF at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#182A4F
RGB	rgb(24, 42, 79)
HSL	hsl(220, 53%, 20%)
HSV	hsv(220, 70%, 31%)
CMYK	cmyk(69.6%, 46.8%, 0%, 69%)
CIE-LAB	lab(17.53, 6.44, -24.99)
CIE-LCH	lch(17.53, 25.80, 284.45°)
OKLab	oklab(29.12% -0.0086 -0.0712)
OKLCH	oklch(29.12% 0.072 263.1)
XYZ	xyz(2.6154, 2.4144, 7.7238)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A4F #4F3D18

analogous

#18454F #182A4F #22184F

triadic

#182A4F #4F182A #2A4F18

tetradic

#182A4F #4F1845 #4F3D18 #184F22

square

#182A4F #4F1845 #4F3D18 #184F22

split-complementary

#182A4F #4F2218 #454F18

monochromatic

#070C17 #0A1120 #182A4F #26437E #355CAD

Accessibility & contrast

On white

14.16

#182A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#182A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A4F

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A4F	#FFFFFF	#000000	##FFFFFF
##182A4F	1.00	14.16	1.48	14.16
#FFFFFF	14.16	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192E50

Deuteranopia (green-blind)

#11294E

Tritanopia (blue-blind)

#003238

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182a4f;
/* rgb */ color: rgb(24, 42, 79);
/* oklch */ color: oklch(29.1% 0.072 263.1);

Tailwind

colors: {
  custom: {
    50: '#5b6380',
    500: '#182a4f',
    950: '#000000',
  },
}

SCSS

$custom: #182a4f;
$custom-light: #5b6380;
$custom-dark: #000000;

JSON

{
  "hex": "#182a4f",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 79
  },
  "hsl": {
    "h": 220.364,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29115,
    "c": 0.07176,
    "h": 263.1
  },
  "luminance": 0.02415
}

Semantic roles & 50–950 ramp

primary

#182A4F

secondary

#866E3D

accent

#AD4BDD

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #182A4F

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

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