#182F47#182F47

#182F47 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.053 H 250.9°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#182F47
RGB	rgb(24, 47, 71)
HSL	hsl(211, 49%, 19%)
HSV	hsv(211, 66%, 28%)
CMYK	cmyk(66.2%, 33.8%, 0%, 72.2%)
CIE-LAB	lab(18.72, -0.37, -17.67)
CIE-LCH	lch(18.72, 17.67, 268.79°)
OKLab	oklab(29.89% -0.0172 -0.0498)
OKLCH	oklch(29.89% 0.053 250.9)
XYZ	xyz(2.5301, 2.6819, 6.3443)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F47 #473018

analogous

#184647 #182F47 #181847

triadic

#182F47 #47182F #2F4718

tetradic

#182F47 #471846 #473018 #184718

square

#182F47 #471846 #473018 #184718

split-complementary

#182F47 #471818 #464718

monochromatic

#080F17 #091119 #182F47 #274D75 #376CA2

Accessibility & contrast

On white

13.67

#182F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F47

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F47	#FFFFFF	#000000	##FFFFFF
##182F47	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253048

Deuteranopia (green-blind)

#1F2B47

Tritanopia (blue-blind)

#003537

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182f47;
/* rgb */ color: rgb(24, 47, 71);
/* oklch */ color: oklch(29.9% 0.053 250.9);

Tailwind

colors: {
  custom: {
    50: '#5a677a',
    500: '#182f47',
    950: '#000000',
  },
}

SCSS

$custom: #182f47;
$custom-light: #5a677a;
$custom-dark: #000000;

JSON

{
  "hex": "#182f47",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 71
  },
  "hsl": {
    "h": 210.638,
    "s": 49.474,
    "l": 18.627
  },
  "oklch": {
    "l": 0.29885,
    "c": 0.0527,
    "h": 250.9
  },
  "luminance": 0.02682
}

Semantic roles & 50–950 ramp

primary

#182F47

secondary

#7E5E3D

accent

#954FD9

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #182F47

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

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