#305DB6#305DB6

#305DB6 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.150 H 262.2°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#305DB6
RGB	rgb(48, 93, 182)
HSL	hsl(220, 58%, 45%)
HSV	hsv(220, 74%, 71%)
CMYK	cmyk(73.6%, 48.9%, 0%, 28.6%)
CIE-LAB	lab(40.95, 15.88, -51.68)
CIE-LCH	lch(40.95, 54.07, 287.08°)
OKLab	oklab(49.63% -0.0203 -0.1484)
OKLCH	oklch(49.63% 0.15 262.2)
XYZ	xyz(13.5738, 11.8330, 45.8155)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DB6 #B68930

analogous

#30A0B6 #305DB6 #4630B6

triadic

#305DB6 #B6305D #5DB630

tetradic

#305DB6 #B630A0 #B68930 #30B646

square

#305DB6 #B630A0 #B68930 #30B646

split-complementary

#305DB6 #B64630 #A0B630

monochromatic

#162C55 #234486 #305DB6 #527DD1 #82A1DE

Accessibility & contrast

On white

6.24

#305DB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#305DB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DB6

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DB6	#FFFFFF	#000000	##FFFFFF
##305DB6	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B67B9

Deuteranopia (green-blind)

#005BB4

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305db6;
/* rgb */ color: rgb(48, 93, 182);
/* oklch */ color: oklch(49.6% 0.150 262.2);

Tailwind

colors: {
  custom: {
    50: '#7a8acc',
    500: '#305db6',
    950: '#000000',
  },
}

SCSS

$custom: #305db6;
$custom-light: #7a8acc;
$custom-dark: #000000;

JSON

{
  "hex": "#305db6",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 182
  },
  "hsl": {
    "h": 219.851,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49628,
    "c": 0.14978,
    "h": 262.2
  },
  "luminance": 0.11834
}

Semantic roles & 50–950 ramp

primary

#305DB6

secondary

#C7AE7B

accent

#AD46E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #305DB6

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

Preview Lab → · Contrast checker → · Palette generator →