#182E54#182E54

#182E54 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.5% C 0.074 H 260.6°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#182E54
RGB	rgb(24, 46, 84)
HSL	hsl(218, 56%, 21%)
HSV	hsv(218, 71%, 33%)
CMYK	cmyk(71.4%, 45.2%, 0%, 67.1%)
CIE-LAB	lab(19.17, 5.58, -25.72)
CIE-LCH	lch(19.17, 26.32, 282.24°)
OKLab	oklab(30.49% -0.0122 -0.0733)
OKLCH	oklch(30.49% 0.074 260.6)
XYZ	xyz(2.9533, 2.7880, 8.7683)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E54 #543E18

analogous

#184C54 #182E54 #201854

triadic

#182E54 #54182E #2E5418

tetradic

#182E54 #54184C #543E18 #185420

square

#182E54 #54184C #543E18 #185420

split-complementary

#182E54 #542018 #4C5418

monochromatic

#070D18 #0A1424 #182E54 #264884 #3362B3

Accessibility & contrast

On white

13.48

#182E54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#182E54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E54

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E54	#FFFFFF	#000000	##FFFFFF
##182E54	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3255

Deuteranopia (green-blind)

#132C53

Tritanopia (blue-blind)

#00373C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182e54;
/* rgb */ color: rgb(24, 46, 84);
/* oklch */ color: oklch(30.5% 0.074 260.6);

Tailwind

colors: {
  custom: {
    50: '#5c6684',
    500: '#182e54',
    950: '#000000',
  },
}

SCSS

$custom: #182e54;
$custom-light: #5c6684;
$custom-dark: #000000;

JSON

{
  "hex": "#182e54",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 84
  },
  "hsl": {
    "h": 218,
    "s": 55.556,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30494,
    "c": 0.07433,
    "h": 260.6
  },
  "luminance": 0.02788
}

Semantic roles & 50–950 ramp

primary

#182E54

secondary

#8B6E3D

accent

#A849DF

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04050B

muted

#797A7C

Preview Lab

Preview with #182E54

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

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