#306CC1#306CC1

#306CC1 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.147 H 257.7°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#306CC1
RGB	rgb(48, 108, 193)
HSL	hsl(215, 60%, 47%)
HSV	hsv(215, 75%, 76%)
CMYK	cmyk(75.1%, 44%, 0%, 24.3%)
CIE-LAB	lab(45.91, 10.39, -50.11)
CIE-LCH	lch(45.91, 51.18, 281.72°)
OKLab	oklab(53.67% -0.0313 -0.1435)
OKLCH	oklch(53.67% 0.147 257.7)
XYZ	xyz(16.2036, 15.2019, 52.5220)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CC1 #C18530

analogous

#30B5C1 #306CC1 #3C30C1

triadic

#306CC1 #C1306C #6CC130

tetradic

#306CC1 #C130B5 #C18530 #30C13C

square

#306CC1 #C130B5 #C18530 #30C13C

split-complementary

#306CC1 #C13C30 #B5C130

monochromatic

#18355F #245190 #306CC1 #598CD6 #8AAEE2

Accessibility & contrast

On white

5.20

#306CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#306CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CC1

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CC1	#FFFFFF	#000000	##FFFFFF
##306CC1	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4174C4

Deuteranopia (green-blind)

#2567BF

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306cc1;
/* rgb */ color: rgb(48, 108, 193);
/* oklch */ color: oklch(53.7% 0.147 257.7);

Tailwind

colors: {
  custom: {
    50: '#7c95d4',
    500: '#306cc1',
    950: '#000000',
  },
}

SCSS

$custom: #306cc1;
$custom-light: #7c95d4;
$custom-dark: #000000;

JSON

{
  "hex": "#306cc1",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 193
  },
  "hsl": {
    "h": 215.172,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53669,
    "c": 0.14689,
    "h": 257.7
  },
  "luminance": 0.15204
}

Semantic roles & 50–950 ramp

primary

#306CC1

secondary

#CCAD81

accent

#A244E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306CC1

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

Preview Lab → · Contrast checker → · Palette generator →