#183E67#183E67

#183E67 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.083 H 252.7°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#183E67
RGB	rgb(24, 62, 103)
HSL	hsl(211, 62%, 25%)
HSV	hsv(211, 77%, 40%)
CMYK	cmyk(76.7%, 39.8%, 0%, 59.6%)
CIE-LAB	lab(25.62, 2.12, -27.93)
CIE-LCH	lch(25.62, 28.01, 274.33°)
OKLab	oklab(35.9% -0.0248 -0.0795)
OKLCH	oklch(35.9% 0.083 252.7)
XYZ	xyz(4.5466, 4.6182, 13.4811)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E67 #674118

analogous

#186667 #183E67 #191867

triadic

#183E67 #67183E #3E6718

tetradic

#183E67 #671866 #674118 #186719

square

#183E67 #671866 #674118 #186719

split-complementary

#183E67 #671918 #666718

monochromatic

#060F19 #0C2035 #183E67 #245C99 #2F7ACA

Accessibility & contrast

On white

10.92

#183E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#183E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E67

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E67	#FFFFFF	#000000	##FFFFFF
##183E67	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4169

Deuteranopia (green-blind)

#1F3966

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #183e67;
/* rgb */ color: rgb(24, 62, 103);
/* oklch */ color: oklch(35.9% 0.083 252.7);

Tailwind

colors: {
  custom: {
    50: '#617292',
    500: '#183e67',
    950: '#000000',
  },
}

SCSS

$custom: #183e67;
$custom-light: #617292;
$custom-dark: #000000;

JSON

{
  "hex": "#183e67",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 103
  },
  "hsl": {
    "h": 211.139,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35896,
    "c": 0.08331,
    "h": 252.7
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#183E67

secondary

#9D6F3E

accent

#9743E5

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #183E67

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

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