#306DB1#306DB1

#306DB1 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.9% C 0.124 H 253.3°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#306DB1
RGB	rgb(48, 109, 177)
HSL	hsl(212, 57%, 44%)
HSV	hsv(212, 73%, 69%)
CMYK	cmyk(72.9%, 38.4%, 0%, 30.6%)
CIE-LAB	lab(45.27, 3.79, -41.84)
CIE-LCH	lch(45.27, 42.01, 275.18°)
OKLab	oklab(52.87% -0.0358 -0.1192)
OKLCH	oklch(52.87% 0.124 253.3)
XYZ	xyz(14.6204, 14.7384, 43.6607)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DB1 #B17430

analogous

#30AEB1 #306DB1 #3430B1

triadic

#306DB1 #B1306D #6DB130

tetradic

#306DB1 #B130AE #B17430 #30B134

square

#306DB1 #B130AE #B17430 #30B134

split-complementary

#306DB1 #B13430 #AEB130

monochromatic

#163251 #234F81 #306DB1 #4F8CCF #7FABDC

Accessibility & contrast

On white

5.32

#306DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#306DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DB1

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DB1	#FFFFFF	#000000	##FFFFFF
##306DB1	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B4

Deuteranopia (green-blind)

#3A66B0

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306db1;
/* rgb */ color: rgb(48, 109, 177);
/* oklch */ color: oklch(52.9% 0.124 253.3);

Tailwind

colors: {
  custom: {
    50: '#7996c9',
    500: '#306db1',
    950: '#000000',
  },
}

SCSS

$custom: #306db1;
$custom-light: #7996c9;
$custom-dark: #000000;

JSON

{
  "hex": "#306db1",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 177
  },
  "hsl": {
    "h": 211.628,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52874,
    "c": 0.12445,
    "h": 253.3
  },
  "luminance": 0.1474
}

Semantic roles & 50–950 ramp

primary

#306DB1

secondary

#C5A178

accent

#9847E1

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306DB1

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

Preview Lab → · Contrast checker → · Palette generator →