#182A5F#182A5F

#182A5F is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.097 H 266.5°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#182A5F
RGB	rgb(24, 42, 95)
HSL	hsl(225, 60%, 23%)
HSV	hsv(225, 75%, 37%)
CMYK	cmyk(74.7%, 55.8%, 0%, 62.7%)
CIE-LAB	lab(18.70, 13.06, -33.80)
CIE-LCH	lch(18.70, 36.23, 291.12°)
OKLab	oklab(30.38% -0.006 -0.0971)
OKLCH	oklch(30.38% 0.097 266.5)
XYZ	xyz(3.2695, 2.6760, 11.1685)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A5F #5F4D18

analogous

#184D5F #182A5F #29185F

triadic

#182A5F #5F182A #2A5F18

tetradic

#182A5F #5F184D #5F4D18 #185F29

square

#182A5F #5F184D #5F4D18 #185F29

split-complementary

#182A5F #5F2918 #4D5F18

monochromatic

#060B18 #0C142E #182A5F #244090 #3155C1

Accessibility & contrast

On white

13.68

#182A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A5F

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A5F	#FFFFFF	#000000	##FFFFFF
##182A5F	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083161

Deuteranopia (green-blind)

#002A5E

Tritanopia (blue-blind)

#003740

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182a5f;
/* rgb */ color: rgb(24, 42, 95);
/* oklch */ color: oklch(30.4% 0.097 266.5);

Tailwind

colors: {
  custom: {
    50: '#5f638d',
    500: '#182a5f',
    950: '#000000',
  },
}

SCSS

$custom: #182a5f;
$custom-light: #5f638d;
$custom-dark: #000000;

JSON

{
  "hex": "#182a5f",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 95
  },
  "hsl": {
    "h": 224.789,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.30384,
    "c": 0.09733,
    "h": 266.5
  },
  "luminance": 0.02676
}

Semantic roles & 50–950 ramp

primary

#182A5F

secondary

#957F3D

accent

#BB45E3

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #182A5F

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

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