#182A40#182A40

#182A40 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 28.1% C 0.047 H 254.2°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#182A40
RGB	rgb(24, 42, 64)
HSL	hsl(213, 45%, 17%)
HSV	hsv(213, 63%, 25%)
CMYK	cmyk(62.5%, 34.4%, 0%, 74.9%)
CIE-LAB	lab(16.60, 0.43, -16.19)
CIE-LCH	lch(16.60, 16.20, 271.53°)
OKLab	oklab(28.1% -0.0129 -0.0455)
OKLCH	oklch(28.1% 0.047 254.2)
XYZ	xyz(2.1297, 2.2201, 5.1658)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A40 #402E18

analogous

#183E40 #182A40 #1A1840

triadic

#182A40 #40182A #2A4018

tetradic

#182A40 #40183E #402E18 #18401A

square

#182A40 #40183E #402E18 #18401A

split-complementary

#182A40 #401A18 #3E4018

monochromatic

#080F16 #080F16 #182A40 #29476D #396499

Accessibility & contrast

On white

14.54

#182A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#182A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A40

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A40	#FFFFFF	#000000	##FFFFFF
##182A40	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212B41

Deuteranopia (green-blind)

#1C2740

Tritanopia (blue-blind)

#022F32

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #182a40;
/* rgb */ color: rgb(24, 42, 64);
/* oklch */ color: oklch(28.1% 0.047 254.2);

Tailwind

colors: {
  custom: {
    50: '#586375',
    500: '#182a40',
    950: '#000000',
  },
}

SCSS

$custom: #182a40;
$custom-light: #586375;
$custom-dark: #000000;

JSON

{
  "hex": "#182a40",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 64
  },
  "hsl": {
    "h": 213,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.28095,
    "c": 0.04734,
    "h": 254.2
  },
  "luminance": 0.0222
}

Semantic roles & 50–950 ramp

primary

#182A40

secondary

#775D3D

accent

#9A53D5

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #182A40

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

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