#183A62#183A62

#183A62 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.081 H 254.2°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#183A62
RGB	rgb(24, 58, 98)
HSL	hsl(212, 61%, 24%)
HSV	hsv(212, 76%, 38%)
CMYK	cmyk(75.5%, 40.8%, 0%, 61.6%)
CIE-LAB	lab(24.00, 2.83, -27.26)
CIE-LCH	lch(24.00, 27.40, 275.92°)
OKLab	oklab(34.54% -0.022 -0.0776)
OKLCH	oklch(34.54% 0.081 254.2)
XYZ	xyz(4.0935, 4.1017, 12.1289)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A62 #624018

analogous

#185F62 #183A62 #1B1862

triadic

#183A62 #62183A #3A6218

tetradic

#183A62 #62185F #624018 #18621B

square

#183A62 #62185F #624018 #18621B

split-complementary

#183A62 #621B18 #5F6218

monochromatic

#060F19 #0C1D31 #183A62 #245793 #3074C4

Accessibility & contrast

On white

11.54

#183A62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#183A62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A62

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A62	#FFFFFF	#000000	##FFFFFF
##183A62	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283D64

Deuteranopia (green-blind)

#1C3661

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183a62;
/* rgb */ color: rgb(24, 58, 98);
/* oklch */ color: oklch(34.5% 0.081 254.2);

Tailwind

colors: {
  custom: {
    50: '#5f6f8f',
    500: '#183a62',
    950: '#000000',
  },
}

SCSS

$custom: #183a62;
$custom-light: #5f6f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#183a62",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 98
  },
  "hsl": {
    "h": 212.432,
    "s": 60.656,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34537,
    "c": 0.08068,
    "h": 254.2
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#183A62

secondary

#986F3E

accent

#9A44E4

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #183A62

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

Preview Lab → · Contrast checker → · Palette generator →