#182F4D#182F4D

#182F4D is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.3% C 0.062 H 255.7°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#182F4D
RGB	rgb(24, 47, 77)
HSL	hsl(214, 52%, 20%)
HSV	hsv(214, 69%, 30%)
CMYK	cmyk(68.8%, 39%, 0%, 69.8%)
CIE-LAB	lab(19.07, 2.01, -21.19)
CIE-LCH	lch(19.07, 21.29, 275.43°)
OKLab	oklab(30.27% -0.0153 -0.06)
OKLCH	oklch(30.27% 0.062 255.7)
XYZ	xyz(2.7323, 2.7628, 7.4090)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F4D #4D3618

analogous

#184A4D #182F4D #1B184D

triadic

#182F4D #4D182F #2F4D18

tetradic

#182F4D #4D184A #4D3618 #184D1B

square

#182F4D #4D184A #4D3618 #184D1B

split-complementary

#182F4D #4D1B18 #4A4D18

monochromatic

#070E17 #09131E #182F4D #274B7C #3568AA

Accessibility & contrast

On white

13.53

#182F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F4D

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F4D	#FFFFFF	#000000	##FFFFFF
##182F4D	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22314E

Deuteranopia (green-blind)

#1B2C4C

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182f4d;
/* rgb */ color: rgb(24, 47, 77);
/* oklch */ color: oklch(30.3% 0.062 255.7);

Tailwind

colors: {
  custom: {
    50: '#5b677f',
    500: '#182f4d',
    950: '#000000',
  },
}

SCSS

$custom: #182f4d;
$custom-light: #5b677f;
$custom-dark: #000000;

JSON

{
  "hex": "#182f4d",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 77
  },
  "hsl": {
    "h": 213.962,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30269,
    "c": 0.06196,
    "h": 255.7
  },
  "luminance": 0.02763
}

Semantic roles & 50–950 ramp

primary

#182F4D

secondary

#84653D

accent

#9D4CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #182F4D

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

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