#306FA3#306FA3

#306FA3 is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.5% C 0.104 H 246.5°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#306FA3
RGB	rgb(48, 111, 163)
HSL	hsl(207, 55%, 41%)
HSV	hsv(207, 71%, 64%)
CMYK	cmyk(70.6%, 31.9%, 0%, 36.1%)
CIE-LAB	lab(45.14, -2.57, -33.85)
CIE-LCH	lch(45.14, 33.95, 265.66°)
OKLab	oklab(52.53% -0.0416 -0.0958)
OKLCH	oklch(52.53% 0.104 246.5)
XYZ	xyz(13.5117, 14.6401, 36.7570)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FA3 #A36430

analogous

#30A39E #306FA3 #3036A3

triadic

#306FA3 #A3306F #6FA330

tetradic

#306FA3 #9E30A3 #A36430 #36A330

square

#306FA3 #9E30A3 #A36430 #36A330

split-complementary

#306FA3 #A33036 #A39E30

monochromatic

#142F44 #224F74 #306FA3 #478EC9 #77ABD7

Accessibility & contrast

On white

5.35

#306FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#306FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FA3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FA3	#FFFFFF	#000000	##FFFFFF
##306FA3	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5871A5

Deuteranopia (green-blind)

#4866A2

Tritanopia (blue-blind)

#007B81

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306fa3;
/* rgb */ color: rgb(48, 111, 163);
/* oklch */ color: oklch(52.5% 0.104 246.5);

Tailwind

colors: {
  custom: {
    50: '#7698be',
    500: '#306fa3',
    950: '#000000',
  },
}

SCSS

$custom: #306fa3;
$custom-light: #7698be;
$custom-dark: #000000;

JSON

{
  "hex": "#306fa3",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 163
  },
  "hsl": {
    "h": 207.13,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52527,
    "c": 0.10447,
    "h": 246.5
  },
  "luminance": 0.14642
}

Semantic roles & 50–950 ramp

primary

#306FA3

secondary

#BF9470

accent

#8D4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #306FA3

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

Preview Lab → · Contrast checker → · Palette generator →