#182E4C#182E4C

#182E4C is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.062 H 256.6°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#182E4C
RGB	rgb(24, 46, 76)
HSL	hsl(215, 52%, 20%)
HSV	hsv(215, 68%, 30%)
CMYK	cmyk(68.4%, 39.5%, 0%, 70.2%)
CIE-LAB	lab(18.67, 2.32, -21.14)
CIE-LCH	lch(18.67, 21.27, 276.27°)
OKLab	oklab(29.94% -0.0143 -0.0599)
OKLCH	oklch(29.94% 0.062 256.6)
XYZ	xyz(2.6577, 2.6697, 7.2113)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E4C #4C3618

analogous

#18484C #182E4C #1C184C

triadic

#182E4C #4C182E #2E4C18

tetradic

#182E4C #4C1848 #4C3618 #184C1C

square

#182E4C #4C1848 #4C3618 #184C1C

split-complementary

#182E4C #4C1C18 #484C18

monochromatic

#070E17 #09121D #182E4C #274A7B #3566A9

Accessibility & contrast

On white

13.69

#182E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E4C

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E4C	#FFFFFF	#000000	##FFFFFF
##182E4C	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21304D

Deuteranopia (green-blind)

#1A2B4B

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182e4c;
/* rgb */ color: rgb(24, 46, 76);
/* oklch */ color: oklch(29.9% 0.062 256.6);

Tailwind

colors: {
  custom: {
    50: '#5b667e',
    500: '#182e4c',
    950: '#000000',
  },
}

SCSS

$custom: #182e4c;
$custom-light: #5b667e;
$custom-dark: #000000;

JSON

{
  "hex": "#182e4c",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 76
  },
  "hsl": {
    "h": 214.615,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29938,
    "c": 0.06161,
    "h": 256.6
  },
  "luminance": 0.0267
}

Semantic roles & 50–950 ramp

primary

#182E4C

secondary

#83653D

accent

#9F4CDB

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182E4C

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

Preview Lab → · Contrast checker → · Palette generator →