#182F4E#182F4E

#182F4E is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.3% C 0.064 H 256.4°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#182F4E
RGB	rgb(24, 47, 78)
HSL	hsl(214, 53%, 20%)
HSV	hsv(214, 69%, 31%)
CMYK	cmyk(69.2%, 39.7%, 0%, 69.4%)
CIE-LAB	lab(19.13, 2.42, -21.77)
CIE-LCH	lch(19.13, 21.90, 276.34°)
OKLab	oklab(30.34% -0.015 -0.0617)
OKLCH	oklch(30.34% 0.064 256.4)
XYZ	xyz(2.7679, 2.7770, 7.5964)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F4E #4E3718

analogous

#184A4E #182F4E #1C184E

triadic

#182F4E #4E182F #2F4E18

tetradic

#182F4E #4E184A #4E3718 #184E1C

square

#182F4E #4E184A #4E3718 #184E1C

split-complementary

#182F4E #4E1C18 #4A4E18

monochromatic

#070E17 #0A131F #182F4E #264B7D #3567AC

Accessibility & contrast

On white

13.50

#182F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#182F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F4E

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F4E	#FFFFFF	#000000	##FFFFFF
##182F4E	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22314F

Deuteranopia (green-blind)

#1A2C4D

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182f4e;
/* rgb */ color: rgb(24, 47, 78);
/* oklch */ color: oklch(30.3% 0.064 256.4);

Tailwind

colors: {
  custom: {
    50: '#5b6780',
    500: '#182f4e',
    950: '#000000',
  },
}

SCSS

$custom: #182f4e;
$custom-light: #5b6780;
$custom-dark: #000000;

JSON

{
  "hex": "#182f4e",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 78
  },
  "hsl": {
    "h": 214.444,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.30335,
    "c": 0.06353,
    "h": 256.4
  },
  "luminance": 0.02777
}

Semantic roles & 50–950 ramp

primary

#182F4E

secondary

#85663D

accent

#9F4BDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #182F4E

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

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