#305CBE#305CBE

#305CBE is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.162 H 263.5°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#305CBE
RGB	rgb(48, 92, 190)
HSL	hsl(221, 60%, 47%)
HSV	hsv(221, 75%, 75%)
CMYK	cmyk(74.7%, 51.6%, 0%, 25.5%)
CIE-LAB	lab(41.21, 19.55, -55.93)
CIE-LCH	lch(41.21, 59.25, 289.26°)
OKLab	oklab(50% -0.0184 -0.1609)
OKLCH	oklch(50% 0.162 263.5)
XYZ	xyz(14.3370, 11.9988, 50.2656)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CBE #BE9230

analogous

#30A3BE #305CBE #4B30BE

triadic

#305CBE #BE305C #5CBE30

tetradic

#305CBE #BE30A3 #BE9230 #30BE4B

square

#305CBE #BE30A3 #BE9230 #30BE4B

split-complementary

#305CBE #BE4B30 #A3BE30

monochromatic

#172D5C #24448D #305CBE #577ED4 #88A3E1

Accessibility & contrast

On white

6.18

#305CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#305CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CBE

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CBE	#FFFFFF	#000000	##FFFFFF
##305CBE	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C68C2

Deuteranopia (green-blind)

#005BBC

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305cbe;
/* rgb */ color: rgb(48, 92, 190);
/* oklch */ color: oklch(50.0% 0.162 263.5);

Tailwind

colors: {
  custom: {
    50: '#7c89d2',
    500: '#305cbe',
    950: '#000000',
  },
}

SCSS

$custom: #305cbe;
$custom-light: #7c89d2;
$custom-dark: #000000;

JSON

{
  "hex": "#305cbe",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 190
  },
  "hsl": {
    "h": 221.408,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50003,
    "c": 0.16196,
    "h": 263.5
  },
  "luminance": 0.12
}

Semantic roles & 50–950 ramp

primary

#305CBE

secondary

#CBB37F

accent

#B245E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305CBE

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

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