#306DB0#306DB0

#306DB0 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.8% C 0.123 H 253.0°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#306DB0
RGB	rgb(48, 109, 176)
HSL	hsl(211, 57%, 44%)
HSV	hsv(211, 73%, 69%)
CMYK	cmyk(72.7%, 38.1%, 0%, 31%)
CIE-LAB	lab(45.22, 3.42, -41.34)
CIE-LCH	lch(45.22, 41.48, 274.73°)
OKLab	oklab(52.81% -0.036 -0.1177)
OKLCH	oklch(52.81% 0.123 253)
XYZ	xyz(14.5211, 14.6986, 43.1377)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DB0 #B07330

analogous

#30ADB0 #306DB0 #3330B0

triadic

#306DB0 #B0306D #6DB030

tetradic

#306DB0 #B030AD #B07330 #30B033

square

#306DB0 #B030AD #B07330 #30B033

split-complementary

#306DB0 #B03330 #ADB030

monochromatic

#163150 #234F80 #306DB0 #4E8CCF #7EABDC

Accessibility & contrast

On white

5.33

#306DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#306DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DB0

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DB0	#FFFFFF	#000000	##FFFFFF
##306DB0	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)

#4E72B3

Deuteranopia (green-blind)

#3B66AF

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306db0;
/* rgb */ color: rgb(48, 109, 176);
/* oklch */ color: oklch(52.8% 0.123 253.0);

Tailwind

colors: {
  custom: {
    50: '#7996c8',
    500: '#306db0',
    950: '#000000',
  },
}

SCSS

$custom: #306db0;
$custom-light: #7996c8;
$custom-dark: #000000;

JSON

{
  "hex": "#306db0",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 176
  },
  "hsl": {
    "h": 211.406,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52813,
    "c": 0.12312,
    "h": 253
  },
  "luminance": 0.147
}

Semantic roles & 50–950 ramp

primary

#306DB0

secondary

#C5A077

accent

#9747E0

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306DB0

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

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