#182570#182570

#182570 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.9% C 0.130 H 269.4°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#182570
RGB	rgb(24, 37, 112)
HSL	hsl(231, 65%, 27%)
HSV	hsv(231, 79%, 44%)
CMYK	cmyk(78.6%, 67%, 0%, 56.1%)
CIE-LAB	lab(18.74, 23.61, -44.83)
CIE-LCH	lch(18.74, 50.67, 297.77°)
OKLab	oklab(30.88% -0.0014 -0.1296)
OKLCH	oklch(30.88% 0.13 269.4)
XYZ	xyz(3.9619, 2.6868, 15.6359)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182570 #706318

analogous

#185170 #182570 #371870

triadic

#182570 #701825 #257018

tetradic

#182570 #701851 #706318 #187037

square

#182570 #701851 #706318 #187037

split-complementary

#182570 #703718 #517018

monochromatic

#050819 #0D143E #182570 #2336A2 #3048D3

Accessibility & contrast

On white

13.66

#182570 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182570 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182570

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182570	#FFFFFF	#000000	##FFFFFF
##182570	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003272

Deuteranopia (green-blind)

#002A6F

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182570;
/* rgb */ color: rgb(24, 37, 112);
/* oklch */ color: oklch(30.9% 0.130 269.4);

Tailwind

colors: {
  custom: {
    50: '#645f9a',
    500: '#182570',
    950: '#000000',
  },
}

SCSS

$custom: #182570;
$custom-light: #645f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#182570",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 112
  },
  "hsl": {
    "h": 231.136,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30883,
    "c": 0.12963,
    "h": 269.4
  },
  "luminance": 0.02687
}

Semantic roles & 50–950 ramp

primary

#182570

secondary

#A5963E

accent

#CF40E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #182570

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

Preview Lab → · Contrast checker → · Palette generator →