#306BB7#306BB7

#306BB7 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.8% C 0.135 H 256.0°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#306BB7
RGB	rgb(48, 107, 183)
HSL	hsl(214, 58%, 45%)
HSV	hsv(214, 74%, 72%)
CMYK	cmyk(73.8%, 41.5%, 0%, 28.2%)
CIE-LAB	lab(45.03, 7.28, -45.73)
CIE-LCH	lch(45.03, 46.30, 279.04°)
OKLab	oklab(52.79% -0.0325 -0.1306)
OKLCH	oklch(52.79% 0.135 256)
XYZ	xyz(15.0207, 14.5610, 46.8095)
Luminance	0.1456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BB7 #B77C30

analogous

#30AEB7 #306BB7 #3830B7

triadic

#306BB7 #B7306B #6BB730

tetradic

#306BB7 #B730AE #B77C30 #30B738

square

#306BB7 #B730AE #B77C30 #30B738

split-complementary

#306BB7 #B73830 #AEB730

monochromatic

#173256 #234F87 #306BB7 #528AD2 #83ABDE

Accessibility & contrast

On white

5.37

#306BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#306BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BB7

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BB7	#FFFFFF	#000000	##FFFFFF
##306BB7	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4771BA

Deuteranopia (green-blind)

#3065B5

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306bb7;
/* rgb */ color: rgb(48, 107, 183);
/* oklch */ color: oklch(52.8% 0.135 256.0);

Tailwind

colors: {
  custom: {
    50: '#7a94cd',
    500: '#306bb7',
    950: '#000000',
  },
}

SCSS

$custom: #306bb7;
$custom-light: #7a94cd;
$custom-dark: #000000;

JSON

{
  "hex": "#306bb7",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 183
  },
  "hsl": {
    "h": 213.778,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52793,
    "c": 0.13462,
    "h": 256
  },
  "luminance": 0.14563
}

Semantic roles & 50–950 ramp

primary

#306BB7

secondary

#C8A67B

accent

#9E46E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306BB7

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

Preview Lab → · Contrast checker → · Palette generator →