#182A70#182A70

#182A70 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.9% C 0.123 H 267.7°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#182A70
RGB	rgb(24, 42, 112)
HSL	hsl(228, 65%, 27%)
HSV	hsv(228, 79%, 44%)
CMYK	cmyk(78.6%, 62.5%, 0%, 56.1%)
CIE-LAB	lab(20.12, 20.06, -42.58)
CIE-LCH	lch(20.12, 47.07, 295.23°)
OKLab	oklab(31.9% -0.005 -0.123)
OKLCH	oklch(31.9% 0.123 267.7)
XYZ	xyz(4.1283, 3.0195, 15.6913)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A70 #705E18

analogous

#185670 #182A70 #321870

triadic

#182A70 #70182A #2A7018

tetradic

#182A70 #701856 #705E18 #187032

square

#182A70 #701856 #705E18 #187032

split-complementary

#182A70 #703218 #567018

monochromatic

#050919 #0D173E #182A70 #233DA2 #3051D3

Accessibility & contrast

On white

13.09

#182A70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#182A70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A70

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A70	#FFFFFF	#000000	##FFFFFF
##182A70	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003572

Deuteranopia (green-blind)

#002D6F

Tritanopia (blue-blind)

#003C48

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182a70;
/* rgb */ color: rgb(24, 42, 112);
/* oklch */ color: oklch(31.9% 0.123 267.7);

Tailwind

colors: {
  custom: {
    50: '#64639a',
    500: '#182a70',
    950: '#000000',
  },
}

SCSS

$custom: #182a70;
$custom-light: #64639a;
$custom-dark: #000000;

JSON

{
  "hex": "#182a70",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 112
  },
  "hsl": {
    "h": 227.727,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31903,
    "c": 0.12306,
    "h": 267.7
  },
  "luminance": 0.0302
}

Semantic roles & 50–950 ramp

primary

#182A70

secondary

#A5903E

accent

#C540E8

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182A70

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

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