#183E62#183E62

#183E62 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.076 H 249.8°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#183E62
RGB	rgb(24, 62, 98)
HSL	hsl(209, 61%, 24%)
HSV	hsv(209, 76%, 38%)
CMYK	cmyk(75.5%, 36.7%, 0%, 61.6%)
CIE-LAB	lab(25.32, 0.09, -25.17)
CIE-LCH	lch(25.32, 25.17, 270.20°)
OKLab	oklab(35.57% -0.0263 -0.0714)
OKLCH	oklch(35.57% 0.076 249.8)
XYZ	xyz(4.3031, 4.5208, 12.1987)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E62 #623C18

analogous

#186261 #183E62 #181962

triadic

#183E62 #62183E #3E6218

tetradic

#183E62 #611862 #623C18 #196218

square

#183E62 #611862 #623C18 #196218

split-complementary

#183E62 #621819 #626118

monochromatic

#061019 #0C1F31 #183E62 #245D93 #307CC4

Accessibility & contrast

On white

11.03

#183E62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#183E62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E62

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E62	#FFFFFF	#000000	##FFFFFF
##183E62	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4064

Deuteranopia (green-blind)

#233961

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #183e62;
/* rgb */ color: rgb(24, 62, 98);
/* oklch */ color: oklch(35.6% 0.076 249.8);

Tailwind

colors: {
  custom: {
    50: '#5f738f',
    500: '#183e62',
    950: '#000000',
  },
}

SCSS

$custom: #183e62;
$custom-light: #5f738f;
$custom-dark: #000000;

JSON

{
  "hex": "#183e62",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 98
  },
  "hsl": {
    "h": 209.189,
    "s": 60.656,
    "l": 23.922
  },
  "oklch": {
    "l": 0.35569,
    "c": 0.07614,
    "h": 249.8
  },
  "luminance": 0.04521
}

Semantic roles & 50–950 ramp

primary

#183E62

secondary

#986A3E

accent

#9244E4

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #183E62

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

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