#306EBC#306EBC

#306EBC is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.8% C 0.138 H 255.7°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#306EBC
RGB	rgb(48, 110, 188)
HSL	hsl(213, 59%, 46%)
HSV	hsv(213, 74%, 74%)
CMYK	cmyk(74.5%, 41.5%, 0%, 26.3%)
CIE-LAB	lab(46.19, 7.26, -46.77)
CIE-LCH	lch(46.19, 47.33, 278.82°)
OKLab	oklab(53.79% -0.0341 -0.1337)
OKLCH	oklch(53.79% 0.138 255.7)
XYZ	xyz(15.8686, 15.4093, 49.7052)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EBC #BC7E30

analogous

#30B4BC #306EBC #3830BC

triadic

#306EBC #BC306E #6EBC30

tetradic

#306EBC #BC30B4 #BC7E30 #30BC38

square

#306EBC #BC30B4 #BC7E30 #30BC38

split-complementary

#306EBC #BC3830 #B4BC30

monochromatic

#17355A #24518B #306EBC #558DD4 #86AEE0

Accessibility & contrast

On white

5.14

#306EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#306EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EBC

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EBC	#FFFFFF	#000000	##FFFFFF
##306EBC	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4874BF

Deuteranopia (green-blind)

#3167BA

Tritanopia (blue-blind)

#00808C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306ebc;
/* rgb */ color: rgb(48, 110, 188);
/* oklch */ color: oklch(53.8% 0.138 255.7);

Tailwind

colors: {
  custom: {
    50: '#7b97d0',
    500: '#306ebc',
    950: '#000000',
  },
}

SCSS

$custom: #306ebc;
$custom-light: #7b97d0;
$custom-dark: #000000;

JSON

{
  "hex": "#306ebc",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 188
  },
  "hsl": {
    "h": 213.429,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5379,
    "c": 0.13794,
    "h": 255.7
  },
  "luminance": 0.15411
}

Semantic roles & 50–950 ramp

primary

#306EBC

secondary

#CAA87E

accent

#9D45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306EBC

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

Preview Lab → · Contrast checker → · Palette generator →