#182B70#182B70

#182B70 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.1% C 0.122 H 267.3°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#182B70
RGB	rgb(24, 43, 112)
HSL	hsl(227, 65%, 27%)
HSV	hsv(227, 79%, 44%)
CMYK	cmyk(78.6%, 61.6%, 0%, 56.1%)
CIE-LAB	lab(20.41, 19.34, -42.11)
CIE-LCH	lch(20.41, 46.34, 294.67°)
OKLab	oklab(32.12% -0.0058 -0.1216)
OKLCH	oklch(32.12% 0.122 267.3)
XYZ	xyz(4.1642, 3.0913, 15.7033)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B70 #705D18

analogous

#185770 #182B70 #311870

triadic

#182B70 #70182B #2B7018

tetradic

#182B70 #701857 #705D18 #187031

square

#182B70 #701857 #705D18 #187031

split-complementary

#182B70 #703118 #577018

monochromatic

#050A19 #0D183E #182B70 #233EA2 #3053D3

Accessibility & contrast

On white

12.98

#182B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#182B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B70

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B70	#FFFFFF	#000000	##FFFFFF
##182B70	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003572

Deuteranopia (green-blind)

#002D6F

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182b70;
/* rgb */ color: rgb(24, 43, 112);
/* oklch */ color: oklch(32.1% 0.122 267.3);

Tailwind

colors: {
  custom: {
    50: '#64649a',
    500: '#182b70',
    950: '#000000',
  },
}

SCSS

$custom: #182b70;
$custom-light: #64649a;
$custom-dark: #000000;

JSON

{
  "hex": "#182b70",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 112
  },
  "hsl": {
    "h": 227.045,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.32115,
    "c": 0.12172,
    "h": 267.3
  },
  "luminance": 0.03092
}

Semantic roles & 50–950 ramp

primary

#182B70

secondary

#A58F3E

accent

#C440E8

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182B70

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

Preview Lab → · Contrast checker → · Palette generator →