#306AB8#306AB8

#306AB8 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.6% C 0.137 H 256.8°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#306AB8
RGB	rgb(48, 106, 184)
HSL	hsl(214, 59%, 45%)
HSV	hsv(214, 74%, 72%)
CMYK	cmyk(73.9%, 42.4%, 0%, 27.8%)
CIE-LAB	lab(44.79, 8.28, -46.68)
CIE-LCH	lch(44.79, 47.41, 280.06°)
OKLab	oklab(52.63% -0.0314 -0.1335)
OKLCH	oklch(52.63% 0.137 256.8)
XYZ	xyz(15.0215, 14.3955, 47.3250)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306AB8 #B87E30

analogous

#30AEB8 #306AB8 #3A30B8

triadic

#306AB8 #B8306A #6AB830

tetradic

#306AB8 #B830AE #B87E30 #30B83A

square

#306AB8 #B830AE #B87E30 #30B83A

split-complementary

#306AB8 #B83A30 #AEB830

monochromatic

#173257 #234E87 #306AB8 #5389D2 #84AADF

Accessibility & contrast

On white

5.41

#306AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#306AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306AB8

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306AB8	#FFFFFF	#000000	##FFFFFF
##306AB8	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4471BB

Deuteranopia (green-blind)

#2C64B6

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306ab8;
/* rgb */ color: rgb(48, 106, 184);
/* oklch */ color: oklch(52.6% 0.137 256.8);

Tailwind

colors: {
  custom: {
    50: '#7a94ce',
    500: '#306ab8',
    950: '#000000',
  },
}

SCSS

$custom: #306ab8;
$custom-light: #7a94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#306ab8",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 184
  },
  "hsl": {
    "h": 214.412,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52632,
    "c": 0.13709,
    "h": 256.8
  },
  "luminance": 0.14397
}

Semantic roles & 50–950 ramp

primary

#306AB8

secondary

#C8A87C

accent

#9F46E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #306AB8

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

Preview Lab → · Contrast checker → · Palette generator →