#306FB2#306FB2

#306FB2 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.4% C 0.124 H 252.4°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#306FB2
RGB	rgb(48, 111, 178)
HSL	hsl(211, 58%, 44%)
HSV	hsv(211, 73%, 70%)
CMYK	cmyk(73%, 37.6%, 0%, 30.2%)
CIE-LAB	lab(45.92, 2.92, -41.39)
CIE-LCH	lch(45.92, 41.50, 274.03°)
OKLab	oklab(53.4% -0.0374 -0.1179)
OKLCH	oklch(53.4% 0.124 252.4)
XYZ	xyz(14.9362, 15.2100, 44.2595)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FB2 #B27330

analogous

#30B0B2 #306FB2 #3230B2

triadic

#306FB2 #B2306F #6FB230

tetradic

#306FB2 #B230B0 #B27330 #30B232

square

#306FB2 #B230B0 #B27330 #30B232

split-complementary

#306FB2 #B23230 #B0B230

monochromatic

#163352 #235182 #306FB2 #508ED0 #80ADDD

Accessibility & contrast

On white

5.19

#306FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#306FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FB2

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FB2	#FFFFFF	#000000	##FFFFFF
##306FB2	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5073B5

Deuteranopia (green-blind)

#3D67B1

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306fb2;
/* rgb */ color: rgb(48, 111, 178);
/* oklch */ color: oklch(53.4% 0.124 252.4);

Tailwind

colors: {
  custom: {
    50: '#7997c9',
    500: '#306fb2',
    950: '#000000',
  },
}

SCSS

$custom: #306fb2;
$custom-light: #7997c9;
$custom-dark: #000000;

JSON

{
  "hex": "#306fb2",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 178
  },
  "hsl": {
    "h": 210.923,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53398,
    "c": 0.12366,
    "h": 252.4
  },
  "luminance": 0.15212
}

Semantic roles & 50–950 ramp

primary

#306FB2

secondary

#C6A078

accent

#9647E1

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306FB2

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

Preview Lab → · Contrast checker → · Palette generator →