#305BA7#305BA7

#305BA7 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.1% C 0.131 H 260.9°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#305BA7
RGB	rgb(48, 91, 167)
HSL	hsl(218, 55%, 42%)
HSV	hsv(218, 71%, 65%)
CMYK	cmyk(71.3%, 45.5%, 0%, 34.5%)
CIE-LAB	lab(39.41, 11.52, -45.31)
CIE-LCH	lch(39.41, 46.75, 284.27°)
OKLab	oklab(48.14% -0.0209 -0.1297)
OKLCH	oklch(48.14% 0.131 260.9)
XYZ	xyz(11.9326, 10.8993, 38.0266)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305BA7 #A77C30

analogous

#3097A7 #305BA7 #4030A7

triadic

#305BA7 #A7305B #5BA730

tetradic

#305BA7 #A73097 #A77C30 #30A740

square

#305BA7 #A73097 #A77C30 #30A740

split-complementary

#305BA7 #A74030 #97A730

monochromatic

#152748 #224177 #305BA7 #4978CB #799BD8

Accessibility & contrast

On white

6.60

#305BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#305BA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305BA7

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305BA7	#FFFFFF	#000000	##FFFFFF
##305BA7	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3563AA

Deuteranopia (green-blind)

#1E58A5

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #305ba7;
/* rgb */ color: rgb(48, 91, 167);
/* oklch */ color: oklch(48.1% 0.131 260.9);

Tailwind

colors: {
  custom: {
    50: '#7788c2',
    500: '#305ba7',
    950: '#000000',
  },
}

SCSS

$custom: #305ba7;
$custom-light: #7788c2;
$custom-dark: #000000;

JSON

{
  "hex": "#305ba7",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 167
  },
  "hsl": {
    "h": 218.319,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48135,
    "c": 0.13136,
    "h": 260.9
  },
  "luminance": 0.10901
}

Semantic roles & 50–950 ramp

primary

#305BA7

secondary

#C1A472

accent

#A949DF

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #305BA7

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

Preview Lab → · Contrast checker → · Palette generator →