#306FC3#306FC3

#306FC3 is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.5% C 0.146 H 256.7°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#306FC3
RGB	rgb(48, 111, 195)
HSL	hsl(214, 60%, 48%)
HSV	hsv(214, 75%, 76%)
CMYK	cmyk(75.4%, 43.1%, 0%, 23.5%)
CIE-LAB	lab(46.89, 9.25, -49.70)
CIE-LCH	lch(46.89, 50.55, 280.54°)
OKLab	oklab(54.47% -0.0335 -0.1422)
OKLCH	oklch(54.47% 0.146 256.7)
XYZ	xyz(16.7501, 15.9355, 53.8123)
Luminance	0.1594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FC3 #C38430

analogous

#30B8C3 #306FC3 #3B30C3

triadic

#306FC3 #C3306F #6FC330

tetradic

#306FC3 #C330B8 #C38430 #30C33B

square

#306FC3 #C330B8 #C38430 #30C33B

split-complementary

#306FC3 #C33B30 #B8C330

monochromatic

#183761 #245392 #306FC3 #5A8FD6 #8BB0E2

Accessibility & contrast

On white

5.02

#306FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#306FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FC3

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FC3	#FFFFFF	#000000	##FFFFFF
##306FC3	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4576C6

Deuteranopia (green-blind)

#2A69C1

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #306fc3;
/* rgb */ color: rgb(48, 111, 195);
/* oklch */ color: oklch(54.5% 0.146 256.7);

Tailwind

colors: {
  custom: {
    50: '#7c97d6',
    500: '#306fc3',
    950: '#000000',
  },
}

SCSS

$custom: #306fc3;
$custom-light: #7c97d6;
$custom-dark: #000000;

JSON

{
  "hex": "#306fc3",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 195
  },
  "hsl": {
    "h": 214.286,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54467,
    "c": 0.14613,
    "h": 256.7
  },
  "luminance": 0.15937
}

Semantic roles & 50–950 ramp

primary

#306FC3

secondary

#CCAD82

accent

#9F44E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306FC3

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

Preview Lab → · Contrast checker → · Palette generator →