#183175#183175

#183175 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 33.9% C 0.121 H 265.2°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#183175
RGB	rgb(24, 49, 117)
HSL	hsl(224, 66%, 28%)
HSV	hsv(224, 79%, 46%)
CMYK	cmyk(79.5%, 58.1%, 0%, 54.1%)
CIE-LAB	lab(22.57, 17.10, -41.81)
CIE-LCH	lch(22.57, 45.17, 292.24°)
OKLab	oklab(33.87% -0.0102 -0.1206)
OKLCH	oklch(33.87% 0.121 265.2)
XYZ	xyz(4.6848, 3.6746, 17.2885)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183175 #755C18

analogous

#185F75 #183175 #2E1875

triadic

#183175 #751831 #317518

tetradic

#183175 #75185F #755C18 #18752E

square

#183175 #75185F #755C18 #18752E

split-complementary

#183175 #752E18 #5F7518

monochromatic

#050B19 #0E1C42 #183175 #2246A8 #325ED5

Accessibility & contrast

On white

12.10

#183175 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183175 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183175

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183175	#FFFFFF	#000000	##FFFFFF
##183175	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A77

Deuteranopia (green-blind)

#003274

Tritanopia (blue-blind)

#00424E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183175;
/* rgb */ color: rgb(24, 49, 117);
/* oklch */ color: oklch(33.9% 0.121 265.2);

Tailwind

colors: {
  custom: {
    50: '#65689d',
    500: '#183175',
    950: '#000000',
  },
}

SCSS

$custom: #183175;
$custom-light: #65689d;
$custom-dark: #000000;

JSON

{
  "hex": "#183175",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 117
  },
  "hsl": {
    "h": 223.871,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33868,
    "c": 0.12101,
    "h": 265.2
  },
  "luminance": 0.03675
}

Semantic roles & 50–950 ramp

primary

#183175

secondary

#AA8D3F

accent

#BB3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183175

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

Preview Lab → · Contrast checker → · Palette generator →