#306DBB#306DBB

#306DBB is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.5% C 0.138 H 256.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#306DBB
RGB	rgb(48, 109, 187)
HSL	hsl(214, 59%, 46%)
HSV	hsv(214, 74%, 73%)
CMYK	cmyk(74.3%, 41.7%, 0%, 26.7%)
CIE-LAB	lab(45.84, 7.51, -46.75)
CIE-LCH	lch(45.84, 47.35, 279.13°)
OKLab	oklab(53.5% -0.0334 -0.1336)
OKLCH	oklch(53.5% 0.138 256)
XYZ	xyz(15.6539, 15.1518, 49.1036)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DBB #BB7E30

analogous

#30B2BB #306DBB #3830BB

triadic

#306DBB #BB306D #6DBB30

tetradic

#306DBB #BB30B2 #BB7E30 #30BB38

square

#306DBB #BB30B2 #BB7E30 #30BB38

split-complementary

#306DBB #BB3830 #B2BB30

monochromatic

#17345A #23518A #306DBB #558CD3 #86ADE0

Accessibility & contrast

On white

5.21

#306DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#306DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DBB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DBB	#FFFFFF	#000000	##FFFFFF
##306DBB	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4773BE

Deuteranopia (green-blind)

#3067B9

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306dbb;
/* rgb */ color: rgb(48, 109, 187);
/* oklch */ color: oklch(53.5% 0.138 256.0);

Tailwind

colors: {
  custom: {
    50: '#7b96d0',
    500: '#306dbb',
    950: '#000000',
  },
}

SCSS

$custom: #306dbb;
$custom-light: #7b96d0;
$custom-dark: #000000;

JSON

{
  "hex": "#306dbb",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 187
  },
  "hsl": {
    "h": 213.669,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53501,
    "c": 0.13773,
    "h": 256
  },
  "luminance": 0.15154
}

Semantic roles & 50–950 ramp

primary

#306DBB

secondary

#C9A87D

accent

#9D45E2

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306DBB

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

Preview Lab → · Contrast checker → · Palette generator →