#182A5E#182A5E

#182A5E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.3% C 0.096 H 266.4°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#182A5E
RGB	rgb(24, 42, 94)
HSL	hsl(225, 59%, 23%)
HSV	hsv(225, 74%, 37%)
CMYK	cmyk(74.5%, 55.3%, 0%, 63.1%)
CIE-LAB	lab(18.62, 12.64, -33.27)
CIE-LCH	lch(18.62, 35.59, 290.81°)
OKLab	oklab(30.3% -0.0061 -0.0956)
OKLCH	oklch(30.3% 0.096 266.4)
XYZ	xyz(3.2243, 2.6579, 10.9306)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A5E #5E4C18

analogous

#184D5E #182A5E #29185E

triadic

#182A5E #5E182A #2A5E18

tetradic

#182A5E #5E184D #5E4C18 #185E29

square

#182A5E #5E184D #5E4C18 #185E29

split-complementary

#182A5E #5E2918 #4D5E18

monochromatic

#060B18 #0C142D #182A5E #24408F #3156C0

Accessibility & contrast

On white

13.71

#182A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A5E

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A5E	#FFFFFF	#000000	##FFFFFF
##182A5E	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093160

Deuteranopia (green-blind)

#002A5D

Tritanopia (blue-blind)

#00363F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182a5e;
/* rgb */ color: rgb(24, 42, 94);
/* oklch */ color: oklch(30.3% 0.096 266.4);

Tailwind

colors: {
  custom: {
    50: '#5f638c',
    500: '#182a5e',
    950: '#000000',
  },
}

SCSS

$custom: #182a5e;
$custom-light: #5f638c;
$custom-dark: #000000;

JSON

{
  "hex": "#182a5e",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 94
  },
  "hsl": {
    "h": 224.571,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.303,
    "c": 0.09577,
    "h": 266.4
  },
  "luminance": 0.02658
}

Semantic roles & 50–950 ramp

primary

#182A5E

secondary

#947E3D

accent

#BA45E3

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #182A5E

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

Preview Lab → · Contrast checker → · Palette generator →