#182E5F#182E5F

#182E5F is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.3% C 0.092 H 263.8°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#182E5F
RGB	rgb(24, 46, 95)
HSL	hsl(221, 60%, 23%)
HSV	hsv(221, 75%, 37%)
CMYK	cmyk(74.7%, 51.6%, 0%, 62.7%)
CIE-LAB	lab(19.94, 10.13, -31.79)
CIE-LCH	lch(19.94, 33.37, 287.68°)
OKLab	oklab(31.33% -0.01 -0.0912)
OKLCH	oklch(31.33% 0.092 263.8)
XYZ	xyz(3.4185, 2.9741, 11.2181)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E5F #5F4918

analogous

#18515F #182E5F #25185F

triadic

#182E5F #5F182E #2E5F18

tetradic

#182E5F #5F1851 #5F4918 #185F25

square

#182E5F #5F1851 #5F4918 #185F25

split-complementary

#182E5F #5F2518 #515F18

monochromatic

#060C18 #0C162E #182E5F #244690 #315DC1

Accessibility & contrast

On white

13.17

#182E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#182E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E5F

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E5F	#FFFFFF	#000000	##FFFFFF
##182E5F	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133461

Deuteranopia (green-blind)

#032D5E

Tritanopia (blue-blind)

#003942

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182e5f;
/* rgb */ color: rgb(24, 46, 95);
/* oklch */ color: oklch(31.3% 0.092 263.8);

Tailwind

colors: {
  custom: {
    50: '#5f668d',
    500: '#182e5f',
    950: '#000000',
  },
}

SCSS

$custom: #182e5f;
$custom-light: #5f668d;
$custom-dark: #000000;

JSON

{
  "hex": "#182e5f",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 95
  },
  "hsl": {
    "h": 221.408,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.3133,
    "c": 0.09172,
    "h": 263.8
  },
  "luminance": 0.02974
}

Semantic roles & 50–950 ramp

primary

#182E5F

secondary

#957A3D

accent

#B245E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #182E5F

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

Preview Lab → · Contrast checker → · Palette generator →