#306FA5#306FA5

#306FA5 is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.6% C 0.107 H 247.5°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#306FA5
RGB	rgb(48, 111, 165)
HSL	hsl(208, 55%, 42%)
HSV	hsv(208, 71%, 65%)
CMYK	cmyk(70.9%, 32.7%, 0%, 35.3%)
CIE-LAB	lab(45.24, -1.85, -34.87)
CIE-LCH	lch(45.24, 34.92, 266.97°)
OKLab	oklab(52.64% -0.041 -0.0988)
OKLCH	oklch(52.64% 0.107 247.5)
XYZ	xyz(13.6923, 14.7124, 37.7082)
Luminance	0.1471 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FA5 #A56630

analogous

#30A5A1 #306FA5 #3035A5

triadic

#306FA5 #A5306F #6FA530

tetradic

#306FA5 #A130A5 #A56630 #35A530

square

#306FA5 #A130A5 #A56630 #35A530

split-complementary

#306FA5 #A53035 #A5A130

monochromatic

#142F46 #224F76 #306FA5 #488ECA #78ABD8

Accessibility & contrast

On white

5.33

#306FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#306FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FA5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FA5	#FFFFFF	#000000	##FFFFFF
##306FA5	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5771A7

Deuteranopia (green-blind)

#4666A4

Tritanopia (blue-blind)

#007C82

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306fa5;
/* rgb */ color: rgb(48, 111, 165);
/* oklch */ color: oklch(52.6% 0.107 247.5);

Tailwind

colors: {
  custom: {
    50: '#7798c0',
    500: '#306fa5',
    950: '#000000',
  },
}

SCSS

$custom: #306fa5;
$custom-light: #7798c0;
$custom-dark: #000000;

JSON

{
  "hex": "#306fa5",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 165
  },
  "hsl": {
    "h": 207.692,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52639,
    "c": 0.10696,
    "h": 247.5
  },
  "luminance": 0.14714
}

Semantic roles & 50–950 ramp

primary

#306FA5

secondary

#C09571

accent

#8E4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306FA5

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

Preview Lab → · Contrast checker → · Palette generator →