#306BBE#306BBE

#306BBE is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.2% C 0.144 H 257.6°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#306BBE
RGB	rgb(48, 107, 190)
HSL	hsl(215, 60%, 47%)
HSV	hsv(215, 75%, 75%)
CMYK	cmyk(74.7%, 43.7%, 0%, 25.5%)
CIE-LAB	lab(45.44, 9.90, -49.13)
CIE-LCH	lch(45.44, 50.11, 281.39°)
OKLab	oklab(53.25% -0.031 -0.1406)
OKLCH	oklch(53.25% 0.144 257.6)
XYZ	xyz(15.7675, 14.8597, 50.7424)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BBE #BE8330

analogous

#30B2BE #306BBE #3C30BE

triadic

#306BBE #BE306B #6BBE30

tetradic

#306BBE #BE30B2 #BE8330 #30BE3C

square

#306BBE #BE30B2 #BE8330 #30BE3C

split-complementary

#306BBE #BE3C30 #B2BE30

monochromatic

#17345C #244F8D #306BBE #578BD4 #88ADE1

Accessibility & contrast

On white

5.29

#306BBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#306BBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BBE

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BBE	#FFFFFF	#000000	##FFFFFF
##306BBE	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4273C1

Deuteranopia (green-blind)

#2766BC

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306bbe;
/* rgb */ color: rgb(48, 107, 190);
/* oklch */ color: oklch(53.2% 0.144 257.6);

Tailwind

colors: {
  custom: {
    50: '#7b94d2',
    500: '#306bbe',
    950: '#000000',
  },
}

SCSS

$custom: #306bbe;
$custom-light: #7b94d2;
$custom-dark: #000000;

JSON

{
  "hex": "#306bbe",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 190
  },
  "hsl": {
    "h": 215.07,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53248,
    "c": 0.14401,
    "h": 257.6
  },
  "luminance": 0.14861
}

Semantic roles & 50–950 ramp

primary

#306BBE

secondary

#CBAB7F

accent

#A145E3

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306BBE

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

Preview Lab → · Contrast checker → · Palette generator →