#306DB2#306DB2

#306DB2 is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 52.9% C 0.126 H 253.6°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#306DB2
RGB	rgb(48, 109, 178)
HSL	hsl(212, 58%, 44%)
HSV	hsv(212, 73%, 70%)
CMYK	cmyk(73%, 38.8%, 0%, 30.2%)
CIE-LAB	lab(45.33, 4.16, -42.33)
CIE-LCH	lch(45.33, 42.54, 275.62°)
OKLab	oklab(52.94% -0.0355 -0.1206)
OKLCH	oklch(52.94% 0.126 253.6)
XYZ	xyz(14.7205, 14.7784, 44.1876)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DB2 #B27530

analogous

#30AEB2 #306DB2 #3430B2

triadic

#306DB2 #B2306D #6DB230

tetradic

#306DB2 #B230AE #B27530 #30B234

square

#306DB2 #B230AE #B27530 #30B234

split-complementary

#306DB2 #B23430 #AEB230

monochromatic

#163252 #234F82 #306DB2 #508CD0 #80ABDD

Accessibility & contrast

On white

5.31

#306DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#306DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DB2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DB2	#FFFFFF	#000000	##FFFFFF
##306DB2	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#3966B1

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306db2;
/* rgb */ color: rgb(48, 109, 178);
/* oklch */ color: oklch(52.9% 0.126 253.6);

Tailwind

colors: {
  custom: {
    50: '#7996c9',
    500: '#306db2',
    950: '#000000',
  },
}

SCSS

$custom: #306db2;
$custom-light: #7996c9;
$custom-dark: #000000;

JSON

{
  "hex": "#306db2",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 178
  },
  "hsl": {
    "h": 211.846,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52936,
    "c": 0.12577,
    "h": 253.6
  },
  "luminance": 0.1478
}

Semantic roles & 50–950 ramp

primary

#306DB2

secondary

#C6A178

accent

#9947E1

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306DB2

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

Preview Lab → · Contrast checker → · Palette generator →