#306BB6#306BB6

#306BB6 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.7% C 0.133 H 255.8°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#306BB6
RGB	rgb(48, 107, 182)
HSL	hsl(214, 58%, 45%)
HSV	hsv(214, 74%, 71%)
CMYK	cmyk(73.6%, 41.2%, 0%, 28.6%)
CIE-LAB	lab(44.97, 6.91, -45.24)
CIE-LCH	lch(44.97, 45.76, 278.68°)
OKLab	oklab(52.73% -0.0327 -0.1292)
OKLCH	oklch(52.73% 0.133 255.8)
XYZ	xyz(14.9170, 14.5195, 46.2633)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BB6 #B67B30

analogous

#30AEB6 #306BB6 #3830B6

triadic

#306BB6 #B6306B #6BB630

tetradic

#306BB6 #B630AE #B67B30 #30B638

square

#306BB6 #B630AE #B67B30 #30B638

split-complementary

#306BB6 #B63830 #AEB630

monochromatic

#163255 #234F86 #306BB6 #528AD1 #82ABDE

Accessibility & contrast

On white

5.38

#306BB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#306BB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BB6

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BB6	#FFFFFF	#000000	##FFFFFF
##306BB6	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4771B9

Deuteranopia (green-blind)

#3165B4

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306bb6;
/* rgb */ color: rgb(48, 107, 182);
/* oklch */ color: oklch(52.7% 0.133 255.8);

Tailwind

colors: {
  custom: {
    50: '#7a94cc',
    500: '#306bb6',
    950: '#000000',
  },
}

SCSS

$custom: #306bb6;
$custom-light: #7a94cc;
$custom-dark: #000000;

JSON

{
  "hex": "#306bb6",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 182
  },
  "hsl": {
    "h": 213.582,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52729,
    "c": 0.13328,
    "h": 255.8
  },
  "luminance": 0.14521
}

Semantic roles & 50–950 ramp

primary

#306BB6

secondary

#C7A57B

accent

#9D46E1

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306BB6

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

Preview Lab → · Contrast checker → · Palette generator →