#305CBD#305CBD

#305CBD is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.161 H 263.4°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#305CBD
RGB	rgb(48, 92, 189)
HSL	hsl(221, 59%, 46%)
HSV	hsv(221, 75%, 74%)
CMYK	cmyk(74.6%, 51.3%, 0%, 25.9%)
CIE-LAB	lab(41.14, 19.17, -55.46)
CIE-LCH	lch(41.14, 58.68, 289.07°)
OKLab	oklab(49.93% -0.0185 -0.1595)
OKLCH	oklch(49.93% 0.161 263.4)
XYZ	xyz(14.2281, 11.9552, 49.6920)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CBD #BD9130

analogous

#30A3BD #305CBD #4B30BD

triadic

#305CBD #BD305C #5CBD30

tetradic

#305CBD #BD30A3 #BD9130 #30BD4B

square

#305CBD #BD30A3 #BD9130 #30BD4B

split-complementary

#305CBD #BD4B30 #A3BD30

monochromatic

#172C5B #24448C #305CBD #567DD4 #87A3E0

Accessibility & contrast

On white

6.19

#305CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#305CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CBD

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CBD	#FFFFFF	#000000	##FFFFFF
##305CBD	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E68C0

Deuteranopia (green-blind)

#005BBB

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305cbd;
/* rgb */ color: rgb(48, 92, 189);
/* oklch */ color: oklch(49.9% 0.161 263.4);

Tailwind

colors: {
  custom: {
    50: '#7c89d1',
    500: '#305cbd',
    950: '#000000',
  },
}

SCSS

$custom: #305cbd;
$custom-light: #7c89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#305cbd",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 189
  },
  "hsl": {
    "h": 221.277,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49928,
    "c": 0.1606,
    "h": 263.4
  },
  "luminance": 0.11957
}

Semantic roles & 50–950 ramp

primary

#305CBD

secondary

#CAB37F

accent

#B245E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #305CBD

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

Preview Lab → · Contrast checker → · Palette generator →