#305CA7#305CA7

#305CA7 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.130 H 260.3°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#305CA7
RGB	rgb(48, 92, 167)
HSL	hsl(218, 55%, 42%)
HSV	hsv(218, 71%, 65%)
CMYK	cmyk(71.3%, 44.9%, 0%, 34.5%)
CIE-LAB	lab(39.70, 10.87, -44.84)
CIE-LCH	lch(39.70, 46.14, 283.63°)
OKLab	oklab(48.36% -0.0218 -0.1283)
OKLCH	oklch(48.36% 0.13 260.3)
XYZ	xyz(12.0186, 11.0714, 38.0553)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CA7 #A77B30

analogous

#3098A7 #305CA7 #3F30A7

triadic

#305CA7 #A7305C #5CA730

tetradic

#305CA7 #A73098 #A77B30 #30A73F

square

#305CA7 #A73098 #A77B30 #30A73F

split-complementary

#305CA7 #A73F30 #98A730

monochromatic

#152848 #224277 #305CA7 #4979CB #799CD8

Accessibility & contrast

On white

6.53

#305CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#305CA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CA7

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CA7	#FFFFFF	#000000	##FFFFFF
##305CA7	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3763AA

Deuteranopia (green-blind)

#2158A5

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #305ca7;
/* rgb */ color: rgb(48, 92, 167);
/* oklch */ color: oklch(48.4% 0.130 260.3);

Tailwind

colors: {
  custom: {
    50: '#7789c1',
    500: '#305ca7',
    950: '#000000',
  },
}

SCSS

$custom: #305ca7;
$custom-light: #7789c1;
$custom-dark: #000000;

JSON

{
  "hex": "#305ca7",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 167
  },
  "hsl": {
    "h": 217.815,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48359,
    "c": 0.13014,
    "h": 260.3
  },
  "luminance": 0.11073
}

Semantic roles & 50–950 ramp

primary

#305CA7

secondary

#C1A472

accent

#A749DF

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305CA7

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

Preview Lab → · Contrast checker → · Palette generator →