#182E4F#182E4F

#182E4F is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.1% C 0.066 H 258.3°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#182E4F
RGB	rgb(24, 46, 79)
HSL	hsl(216, 53%, 20%)
HSV	hsv(216, 70%, 31%)
CMYK	cmyk(69.6%, 41.8%, 0%, 69%)
CIE-LAB	lab(18.85, 3.54, -22.88)
CIE-LCH	lch(18.85, 23.15, 278.79°)
OKLab	oklab(30.14% -0.0134 -0.065)
OKLCH	oklch(30.14% 0.066 258.3)
XYZ	xyz(2.7645, 2.7124, 7.7735)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E4F #4F3918

analogous

#18494F #182E4F #1D184F

triadic

#182E4F #4F182E #2E4F18

tetradic

#182E4F #4F1849 #4F3918 #184F1D

square

#182E4F #4F1849 #4F3918 #184F1D

split-complementary

#182E4F #4F1D18 #494F18

monochromatic

#070E17 #0A1320 #182E4F #26497E #3565AD

Accessibility & contrast

On white

13.61

#182E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E4F

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E4F	#FFFFFF	#000000	##FFFFFF
##182E4F	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203150

Deuteranopia (green-blind)

#182B4E

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182e4f;
/* rgb */ color: rgb(24, 46, 79);
/* oklch */ color: oklch(30.1% 0.066 258.3);

Tailwind

colors: {
  custom: {
    50: '#5b6680',
    500: '#182e4f',
    950: '#000000',
  },
}

SCSS

$custom: #182e4f;
$custom-light: #5b6680;
$custom-dark: #000000;

JSON

{
  "hex": "#182e4f",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 79
  },
  "hsl": {
    "h": 216,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.30142,
    "c": 0.06637,
    "h": 258.3
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#182E4F

secondary

#86693D

accent

#A24BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #182E4F

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

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