#306AB5#306AB5

#306AB5 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.4% C 0.133 H 256.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#306AB5
RGB	rgb(48, 106, 181)
HSL	hsl(214, 58%, 45%)
HSV	hsv(214, 73%, 71%)
CMYK	cmyk(73.5%, 41.4%, 0%, 29%)
CIE-LAB	lab(44.62, 7.16, -45.21)
CIE-LCH	lch(44.62, 45.78, 279.00°)
OKLab	oklab(52.44% -0.032 -0.1291)
OKLCH	oklch(52.44% 0.133 256.1)
XYZ	xyz(14.7104, 14.2710, 45.6864)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306AB5 #B57B30

analogous

#30ACB5 #306AB5 #3930B5

triadic

#306AB5 #B5306A #6AB530

tetradic

#306AB5 #B530AC #B57B30 #30B539

square

#306AB5 #B530AC #B57B30 #30B539

split-complementary

#306AB5 #B53930 #ACB530

monochromatic

#163154 #234E85 #306AB5 #5189D1 #82AADE

Accessibility & contrast

On white

5.45

#306AB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#306AB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306AB5

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306AB5	#FFFFFF	#000000	##FFFFFF
##306AB5	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4670B8

Deuteranopia (green-blind)

#3064B3

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306ab5;
/* rgb */ color: rgb(48, 106, 181);
/* oklch */ color: oklch(52.4% 0.133 256.1);

Tailwind

colors: {
  custom: {
    50: '#7a94cb',
    500: '#306ab5',
    950: '#000000',
  },
}

SCSS

$custom: #306ab5;
$custom-light: #7a94cb;
$custom-dark: #000000;

JSON

{
  "hex": "#306ab5",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 181
  },
  "hsl": {
    "h": 213.835,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52438,
    "c": 0.13306,
    "h": 256.1
  },
  "luminance": 0.14273
}

Semantic roles & 50–950 ramp

primary

#306AB5

secondary

#C7A57A

accent

#9E46E1

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306AB5

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

Preview Lab → · Contrast checker → · Palette generator →