#306BCD#306BCD

#306BCD is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.3% C 0.164 H 260.0°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#306BCD
RGB	rgb(48, 107, 205)
HSL	hsl(217, 62%, 50%)
HSV	hsv(217, 77%, 80%)
CMYK	cmyk(76.6%, 47.8%, 0%, 19.6%)
CIE-LAB	lab(46.38, 15.54, -56.26)
CIE-LCH	lch(46.38, 58.37, 285.44°)
OKLab	oklab(54.27% -0.0284 -0.1616)
OKLCH	oklch(54.27% 0.164 260)
XYZ	xyz(17.4921, 15.5495, 59.8252)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BCD #CD9230

analogous

#30BACD #306BCD #4330CD

triadic

#306BCD #CD306B #6BCD30

tetradic

#306BCD #CD30BA #CD9230 #30CD43

square

#306BCD #CD30BA #CD9230 #30CD43

split-complementary

#306BCD #CD4330 #BACD30

monochromatic

#19376A #24519B #306BCD #608EDA #92B1E5

Accessibility & contrast

On white

5.11

#306BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#306BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BCD

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BCD	#FFFFFF	#000000	##FFFFFF
##306BCD	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3476D1

Deuteranopia (green-blind)

#0067CB

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #306bcd;
/* rgb */ color: rgb(48, 107, 205);
/* oklch */ color: oklch(54.3% 0.164 260.0);

Tailwind

colors: {
  custom: {
    50: '#7f94dd',
    500: '#306bcd',
    950: '#000000',
  },
}

SCSS

$custom: #306bcd;
$custom-light: #7f94dd;
$custom-dark: #000000;

JSON

{
  "hex": "#306bcd",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 205
  },
  "hsl": {
    "h": 217.452,
    "s": 62.055,
    "l": 49.608
  },
  "oklch": {
    "l": 0.54271,
    "c": 0.1641,
    "h": 260
  },
  "luminance": 0.15552
}

Semantic roles & 50–950 ramp

primary

#306BCD

secondary

#D0B589

accent

#A843E5

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #306BCD

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

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