#306BB0#306BB0

#306BB0 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.4% C 0.125 H 254.2°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#306BB0
RGB	rgb(48, 107, 176)
HSL	hsl(212, 57%, 44%)
HSV	hsv(212, 73%, 69%)
CMYK	cmyk(72.7%, 39.2%, 0%, 31%)
CIE-LAB	lab(44.63, 4.67, -42.28)
CIE-LCH	lch(44.63, 42.54, 276.30°)
OKLab	oklab(52.35% -0.0341 -0.1205)
OKLCH	oklch(52.35% 0.125 254.2)
XYZ	xyz(14.3102, 14.2768, 43.0674)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BB0 #B07530

analogous

#30ABB0 #306BB0 #3530B0

triadic

#306BB0 #B0306B #6BB030

tetradic

#306BB0 #B030AB #B07530 #30B035

square

#306BB0 #B030AB #B07530 #30B035

split-complementary

#306BB0 #B03530 #ABB030

monochromatic

#163150 #234E80 #306BB0 #4E8ACF #7EAADC

Accessibility & contrast

On white

5.45

#306BB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#306BB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BB0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BB0	#FFFFFF	#000000	##FFFFFF
##306BB0	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B70B3

Deuteranopia (green-blind)

#3764AF

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #306bb0;
/* rgb */ color: rgb(48, 107, 176);
/* oklch */ color: oklch(52.4% 0.125 254.2);

Tailwind

colors: {
  custom: {
    50: '#7994c8',
    500: '#306bb0',
    950: '#000000',
  },
}

SCSS

$custom: #306bb0;
$custom-light: #7994c8;
$custom-dark: #000000;

JSON

{
  "hex": "#306bb0",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 176
  },
  "hsl": {
    "h": 212.344,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52352,
    "c": 0.12526,
    "h": 254.2
  },
  "luminance": 0.14278
}

Semantic roles & 50–950 ramp

primary

#306BB0

secondary

#C5A177

accent

#9A47E0

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306BB0

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

Preview Lab → · Contrast checker → · Palette generator →