#306AB7#306AB7

#306AB7 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.6% C 0.136 H 256.5°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#306AB7
RGB	rgb(48, 106, 183)
HSL	hsl(214, 58%, 45%)
HSV	hsv(214, 74%, 72%)
CMYK	cmyk(73.8%, 42.1%, 0%, 28.2%)
CIE-LAB	lab(44.74, 7.91, -46.19)
CIE-LCH	lch(44.74, 46.86, 279.72°)
OKLab	oklab(52.57% -0.0316 -0.132)
OKLCH	oklch(52.57% 0.136 256.5)
XYZ	xyz(14.9171, 14.3537, 46.7749)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306AB7 #B77D30

analogous

#30AEB7 #306AB7 #3930B7

triadic

#306AB7 #B7306A #6AB730

tetradic

#306AB7 #B730AE #B77D30 #30B739

square

#306AB7 #B730AE #B77D30 #30B739

split-complementary

#306AB7 #B73930 #AEB730

monochromatic

#173256 #234E87 #306AB7 #5289D2 #83AADE

Accessibility & contrast

On white

5.42

#306AB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#306AB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306AB7

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306AB7	#FFFFFF	#000000	##FFFFFF
##306AB7	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4571BA

Deuteranopia (green-blind)

#2E64B5

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306ab7;
/* rgb */ color: rgb(48, 106, 183);
/* oklch */ color: oklch(52.6% 0.136 256.5);

Tailwind

colors: {
  custom: {
    50: '#7a94cd',
    500: '#306ab7',
    950: '#000000',
  },
}

SCSS

$custom: #306ab7;
$custom-light: #7a94cd;
$custom-dark: #000000;

JSON

{
  "hex": "#306ab7",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 183
  },
  "hsl": {
    "h": 214.222,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52567,
    "c": 0.13574,
    "h": 256.5
  },
  "luminance": 0.14355
}

Semantic roles & 50–950 ramp

primary

#306AB7

secondary

#C8A77B

accent

#9F46E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306AB7

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

Preview Lab → · Contrast checker → · Palette generator →