#183075#183075

#183075 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.6% C 0.122 H 265.6°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#183075
RGB	rgb(24, 48, 117)
HSL	hsl(225, 66%, 28%)
HSV	hsv(225, 79%, 46%)
CMYK	cmyk(79.5%, 59%, 0%, 54.1%)
CIE-LAB	lab(22.27, 17.81, -42.28)
CIE-LCH	lch(22.27, 45.88, 292.84°)
OKLab	oklab(33.65% -0.0094 -0.122)
OKLCH	oklch(33.65% 0.122 265.6)
XYZ	xyz(4.6434, 3.5919, 17.2748)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183075 #755D18

analogous

#185E75 #183075 #2E1875

triadic

#183075 #751830 #307518

tetradic

#183075 #75185E #755D18 #18752E

square

#183075 #75185E #755D18 #18752E

split-complementary

#183075 #752E18 #5E7518

monochromatic

#050A19 #0E1B42 #183075 #2245A8 #325CD5

Accessibility & contrast

On white

12.22

#183075 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#183075 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183075

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183075	#FFFFFF	#000000	##FFFFFF
##183075	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A77

Deuteranopia (green-blind)

#003174

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #183075;
/* rgb */ color: rgb(24, 48, 117);
/* oklch */ color: oklch(33.6% 0.122 265.6);

Tailwind

colors: {
  custom: {
    50: '#65679d',
    500: '#183075',
    950: '#000000',
  },
}

SCSS

$custom: #183075;
$custom-light: #65679d;
$custom-dark: #000000;

JSON

{
  "hex": "#183075",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 117
  },
  "hsl": {
    "h": 224.516,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33648,
    "c": 0.12235,
    "h": 265.6
  },
  "luminance": 0.03592
}

Semantic roles & 50–950 ramp

primary

#183075

secondary

#AA8E3F

accent

#BD3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183075

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

Preview Lab → · Contrast checker → · Palette generator →