#306BBC#306BBC

#306BBC is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 53.1% C 0.141 H 257.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#306BBC
RGB	rgb(48, 107, 188)
HSL	hsl(215, 59%, 46%)
HSV	hsv(215, 74%, 74%)
CMYK	cmyk(74.5%, 43.1%, 0%, 26.3%)
CIE-LAB	lab(45.32, 9.15, -48.16)
CIE-LCH	lch(45.32, 49.02, 280.76°)
OKLab	oklab(53.12% -0.0314 -0.1378)
OKLCH	oklch(53.12% 0.141 257.2)
XYZ	xyz(15.5504, 14.7729, 49.5991)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BBC #BC8130

analogous

#30B1BC #306BBC #3B30BC

triadic

#306BBC #BC306B #6BBC30

tetradic

#306BBC #BC30B1 #BC8130 #30BC3B

square

#306BBC #BC30B1 #BC8130 #30BC3B

split-complementary

#306BBC #BC3B30 #B1BC30

monochromatic

#17345A #244F8B #306BBC #558BD4 #86ACE0

Accessibility & contrast

On white

5.31

#306BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#306BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BBC

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BBC	#FFFFFF	#000000	##FFFFFF
##306BBC	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4372BF

Deuteranopia (green-blind)

#2A65BA

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306bbc;
/* rgb */ color: rgb(48, 107, 188);
/* oklch */ color: oklch(53.1% 0.141 257.2);

Tailwind

colors: {
  custom: {
    50: '#7b94d1',
    500: '#306bbc',
    950: '#000000',
  },
}

SCSS

$custom: #306bbc;
$custom-light: #7b94d1;
$custom-dark: #000000;

JSON

{
  "hex": "#306bbc",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 188
  },
  "hsl": {
    "h": 214.714,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53117,
    "c": 0.14133,
    "h": 257.2
  },
  "luminance": 0.14775
}

Semantic roles & 50–950 ramp

primary

#306BBC

secondary

#CAAA7E

accent

#A045E3

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306BBC

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

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