#305DBD#305DBD

#305DBD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.159 H 263.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#305DBD
RGB	rgb(48, 93, 189)
HSL	hsl(221, 59%, 46%)
HSV	hsv(221, 75%, 74%)
CMYK	cmyk(74.6%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(41.42, 18.52, -55.01)
CIE-LCH	lch(41.42, 58.04, 288.61°)
OKLab	oklab(50.14% -0.0193 -0.1582)
OKLCH	oklch(50.14% 0.159 263)
XYZ	xyz(14.3153, 12.1296, 49.7210)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DBD #BD9030

analogous

#30A4BD #305DBD #4A30BD

triadic

#305DBD #BD305D #5DBD30

tetradic

#305DBD #BD30A4 #BD9030 #30BD4A

square

#305DBD #BD30A4 #BD9030 #30BD4A

split-complementary

#305DBD #BD4A30 #A4BD30

monochromatic

#172D5B #24458C #305DBD #567ED4 #87A3E0

Accessibility & contrast

On white

6.13

#305DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#305DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DBD

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DBD	#FFFFFF	#000000	##FFFFFF
##305DBD	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2169C0

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305dbd;
/* rgb */ color: rgb(48, 93, 189);
/* oklch */ color: oklch(50.1% 0.159 263.0);

Tailwind

colors: {
  custom: {
    50: '#7c8ad1',
    500: '#305dbd',
    950: '#000000',
  },
}

SCSS

$custom: #305dbd;
$custom-light: #7c8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#305dbd",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 220.851,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50139,
    "c": 0.15937,
    "h": 263
  },
  "luminance": 0.12131
}

Semantic roles & 50–950 ramp

primary

#305DBD

secondary

#CAB27F

accent

#B045E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #305DBD

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

Preview Lab → · Contrast checker → · Palette generator →