#183B62#183B62

#183B62 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.080 H 253.2°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#183B62
RGB	rgb(24, 59, 98)
HSL	hsl(212, 61%, 24%)
HSV	hsv(212, 76%, 38%)
CMYK	cmyk(75.5%, 39.8%, 0%, 61.6%)
CIE-LAB	lab(24.33, 2.14, -26.74)
CIE-LCH	lch(24.33, 26.82, 274.57°)
OKLab	oklab(34.79% -0.023 -0.0761)
OKLCH	oklch(34.79% 0.08 253.2)
XYZ	xyz(4.1444, 4.2035, 12.1458)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B62 #623F18

analogous

#186062 #183B62 #1A1862

triadic

#183B62 #62183B #3B6218

tetradic

#183B62 #621860 #623F18 #18621A

square

#183B62 #621860 #623F18 #18621A

split-complementary

#183B62 #621A18 #606218

monochromatic

#060F19 #0C1D31 #183B62 #245993 #3076C4

Accessibility & contrast

On white

11.41

#183B62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#183B62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B62

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B62	#FFFFFF	#000000	##FFFFFF
##183B62	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293E64

Deuteranopia (green-blind)

#1E3761

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183b62;
/* rgb */ color: rgb(24, 59, 98);
/* oklch */ color: oklch(34.8% 0.080 253.2);

Tailwind

colors: {
  custom: {
    50: '#5f708f',
    500: '#183b62',
    950: '#000000',
  },
}

SCSS

$custom: #183b62;
$custom-light: #5f708f;
$custom-dark: #000000;

JSON

{
  "hex": "#183b62",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 98
  },
  "hsl": {
    "h": 211.622,
    "s": 60.656,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34793,
    "c": 0.0795,
    "h": 253.2
  },
  "luminance": 0.04204
}

Semantic roles & 50–950 ramp

primary

#183B62

secondary

#986D3E

accent

#9844E4

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #183B62

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

Preview Lab → · Contrast checker → · Palette generator →