#182A3A#182A3A

#182A3A is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.038 H 246.5°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#182A3A
RGB	rgb(24, 42, 58)
HSL	hsl(208, 41%, 16%)
HSV	hsv(208, 59%, 23%)
CMYK	cmyk(58.6%, 27.6%, 0%, 77.3%)
CIE-LAB	lab(16.28, -1.85, -12.52)
CIE-LCH	lch(16.28, 12.66, 261.60°)
OKLab	oklab(27.74% -0.0152 -0.035)
OKLCH	oklch(27.74% 0.038 246.5)
XYZ	xyz(1.9681, 2.1555, 4.3145)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A3A #3A2818

analogous

#183A39 #182A3A #18193A

triadic

#182A3A #3A182A #2A3A18

tetradic

#182A3A #39183A #3A2818 #193A18

square

#182A3A #39183A #3A2818 #193A18

split-complementary

#182A3A #3A1819 #3A3918

monochromatic

#091016 #091016 #182A3A #2A4965 #3C6991

Accessibility & contrast

On white

14.67

#182A3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#182A3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A3A

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A3A	#FFFFFF	#000000	##FFFFFF
##182A3A	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232A3B

Deuteranopia (green-blind)

#1F273A

Tritanopia (blue-blind)

#072E2F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #182a3a;
/* rgb */ color: rgb(24, 42, 58);
/* oklch */ color: oklch(27.7% 0.038 246.5);

Tailwind

colors: {
  custom: {
    50: '#576370',
    500: '#182a3a',
    950: '#000000',
  },
}

SCSS

$custom: #182a3a;
$custom-light: #576370;
$custom-dark: #000000;

JSON

{
  "hex": "#182a3a",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 58
  },
  "hsl": {
    "h": 208.235,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.27738,
    "c": 0.03814,
    "h": 246.5
  },
  "luminance": 0.02156
}

Semantic roles & 50–950 ramp

primary

#182A3A

secondary

#70553E

accent

#9057D1

background

#F5F5F6

surface

#E9EAEC

border

#C5C6C7

text

#030507

muted

#78797A

Preview Lab

Preview with #182A3A

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

Preview Lab → · Contrast checker → · Palette generator →