#306BC1#306BC1

#306BC1 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.148 H 258.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#306BC1
RGB	rgb(48, 107, 193)
HSL	hsl(216, 60%, 47%)
HSV	hsv(216, 75%, 76%)
CMYK	cmyk(75.1%, 44.6%, 0%, 24.3%)
CIE-LAB	lab(45.62, 11.03, -50.57)
CIE-LCH	lch(45.62, 51.76, 282.30°)
OKLab	oklab(53.45% -0.0305 -0.1449)
OKLCH	oklch(53.45% 0.148 258.1)
XYZ	xyz(16.0987, 14.9922, 52.4871)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BC1 #C18630

analogous

#30B4C1 #306BC1 #3D30C1

triadic

#306BC1 #C1306B #6BC130

tetradic

#306BC1 #C130B4 #C18630 #30C13D

square

#306BC1 #C130B4 #C18630 #30C13D

split-complementary

#306BC1 #C13D30 #B4C130

monochromatic

#18355F #245090 #306BC1 #598BD6 #8AADE2

Accessibility & contrast

On white

5.25

#306BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#306BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BC1

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BC1	#FFFFFF	#000000	##FFFFFF
##306BC1	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F73C4

Deuteranopia (green-blind)

#2266BF

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306bc1;
/* rgb */ color: rgb(48, 107, 193);
/* oklch */ color: oklch(53.4% 0.148 258.1);

Tailwind

colors: {
  custom: {
    50: '#7c94d4',
    500: '#306bc1',
    950: '#000000',
  },
}

SCSS

$custom: #306bc1;
$custom-light: #7c94d4;
$custom-dark: #000000;

JSON

{
  "hex": "#306bc1",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 193
  },
  "hsl": {
    "h": 215.586,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53448,
    "c": 0.14804,
    "h": 258.1
  },
  "luminance": 0.14994
}

Semantic roles & 50–950 ramp

primary

#306BC1

secondary

#CCAD81

accent

#A344E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306BC1

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

Preview Lab → · Contrast checker → · Palette generator →