#305FA7#305FA7

#305FA7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.0% C 0.127 H 258.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#305FA7
RGB	rgb(48, 95, 167)
HSL	hsl(216, 55%, 42%)
HSV	hsv(216, 71%, 65%)
CMYK	cmyk(71.3%, 43.1%, 0%, 34.5%)
CIE-LAB	lab(40.58, 8.93, -43.44)
CIE-LCH	lch(40.58, 44.35, 281.62°)
OKLab	oklab(49.04% -0.0247 -0.1241)
OKLCH	oklch(49.04% 0.127 258.8)
XYZ	xyz(12.2837, 11.6015, 38.1437)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FA7 #A77830

analogous

#309AA7 #305FA7 #3D30A7

triadic

#305FA7 #A7305F #5FA730

tetradic

#305FA7 #A7309A #A77830 #30A73D

square

#305FA7 #A7309A #A77830 #30A73D

split-complementary

#305FA7 #A73D30 #9AA730

monochromatic

#152948 #224477 #305FA7 #497DCB #799FD8

Accessibility & contrast

On white

6.32

#305FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#305FA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FA7

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FA7	#FFFFFF	#000000	##FFFFFF
##305FA7	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C66AA

Deuteranopia (green-blind)

#285BA6

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #305fa7;
/* rgb */ color: rgb(48, 95, 167);
/* oklch */ color: oklch(49.0% 0.127 258.8);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#305fa7',
    950: '#000000',
  },
}

SCSS

$custom: #305fa7;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#305fa7",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 167
  },
  "hsl": {
    "h": 216.303,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49035,
    "c": 0.12657,
    "h": 258.8
  },
  "luminance": 0.11603
}

Semantic roles & 50–950 ramp

primary

#305FA7

secondary

#C1A272

accent

#A449DF

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #305FA7

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

Preview Lab → · Contrast checker → · Palette generator →