#305FB6#305FB6

#305FB6 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.147 H 261.4°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#305FB6
RGB	rgb(48, 95, 182)
HSL	hsl(219, 58%, 45%)
HSV	hsv(219, 74%, 71%)
CMYK	cmyk(73.6%, 47.8%, 0%, 28.6%)
CIE-LAB	lab(41.51, 14.58, -50.77)
CIE-LCH	lch(41.51, 52.82, 286.02°)
OKLab	oklab(50.06% -0.022 -0.1457)
OKLCH	oklch(50.06% 0.147 261.4)
XYZ	xyz(13.7516, 12.1887, 45.8748)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FB6 #B68730

analogous

#30A2B6 #305FB6 #4430B6

triadic

#305FB6 #B6305F #5FB630

tetradic

#305FB6 #B630A2 #B68730 #30B644

square

#305FB6 #B630A2 #B68730 #30B644

split-complementary

#305FB6 #B64430 #A2B630

monochromatic

#162C55 #234686 #305FB6 #527FD1 #82A2DE

Accessibility & contrast

On white

6.11

#305FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#305FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FB6

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FB6	#FFFFFF	#000000	##FFFFFF
##305FB6	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B9

Deuteranopia (green-blind)

#095CB4

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305fb6;
/* rgb */ color: rgb(48, 95, 182);
/* oklch */ color: oklch(50.1% 0.147 261.4);

Tailwind

colors: {
  custom: {
    50: '#7a8bcc',
    500: '#305fb6',
    950: '#000000',
  },
}

SCSS

$custom: #305fb6;
$custom-light: #7a8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#305fb6",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 182
  },
  "hsl": {
    "h": 218.955,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.50061,
    "c": 0.14733,
    "h": 261.4
  },
  "luminance": 0.1219
}

Semantic roles & 50–950 ramp

primary

#305FB6

secondary

#C7AC7B

accent

#AB46E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #305FB6

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

Preview Lab → · Contrast checker → · Palette generator →