#182A63#182A63

#182A63 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.7% C 0.104 H 266.9°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#182A63
RGB	rgb(24, 42, 99)
HSL	hsl(226, 61%, 24%)
HSV	hsv(226, 76%, 39%)
CMYK	cmyk(75.8%, 57.6%, 0%, 61.2%)
CIE-LAB	lab(19.02, 14.72, -35.92)
CIE-LCH	lch(19.02, 38.81, 292.28°)
OKLab	oklab(30.73% -0.0056 -0.1034)
OKLCH	oklch(30.73% 0.104 266.9)
XYZ	xyz(3.4560, 2.7506, 12.1507)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A63 #635118

analogous

#185063 #182A63 #2C1863

triadic

#182A63 #63182A #2A6318

tetradic

#182A63 #631850 #635118 #18632C

square

#182A63 #631850 #635118 #18632C

split-complementary

#182A63 #632C18 #506318

monochromatic

#060A19 #0C1532 #182A63 #243F94 #3054C6

Accessibility & contrast

On white

13.55

#182A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A63

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A63	#FFFFFF	#000000	##FFFFFF
##182A63	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013265

Deuteranopia (green-blind)

#002B62

Tritanopia (blue-blind)

#003842

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182a63;
/* rgb */ color: rgb(24, 42, 99);
/* oklch */ color: oklch(30.7% 0.104 266.9);

Tailwind

colors: {
  custom: {
    50: '#606390',
    500: '#182a63',
    950: '#000000',
  },
}

SCSS

$custom: #182a63;
$custom-light: #606390;
$custom-dark: #000000;

JSON

{
  "hex": "#182a63",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 99
  },
  "hsl": {
    "h": 225.6,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.30727,
    "c": 0.10353,
    "h": 266.9
  },
  "luminance": 0.02751
}

Semantic roles & 50–950 ramp

primary

#182A63

secondary

#99833E

accent

#BE44E4

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #182A63

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

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