#306CBE#306CBE

#306CBE is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.5% C 0.143 H 257.1°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#306CBE
RGB	rgb(48, 108, 190)
HSL	hsl(215, 60%, 47%)
HSV	hsv(215, 75%, 75%)
CMYK	cmyk(74.7%, 43.2%, 0%, 25.5%)
CIE-LAB	lab(45.73, 9.27, -48.67)
CIE-LCH	lch(45.73, 49.54, 280.78°)
OKLab	oklab(53.47% -0.0319 -0.1393)
OKLCH	oklch(53.47% 0.143 257.1)
XYZ	xyz(15.8723, 15.0694, 50.7774)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CBE #BE8230

analogous

#30B3BE #306CBE #3B30BE

triadic

#306CBE #BE306C #6CBE30

tetradic

#306CBE #BE30B3 #BE8230 #30BE3B

square

#306CBE #BE30B3 #BE8230 #30BE3B

split-complementary

#306CBE #BE3B30 #B3BE30

monochromatic

#17345C #24508D #306CBE #578CD4 #88ADE1

Accessibility & contrast

On white

5.23

#306CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#306CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CBE

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CBE	#FFFFFF	#000000	##FFFFFF
##306CBE	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4373C1

Deuteranopia (green-blind)

#2966BC

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306cbe;
/* rgb */ color: rgb(48, 108, 190);
/* oklch */ color: oklch(53.5% 0.143 257.1);

Tailwind

colors: {
  custom: {
    50: '#7b95d2',
    500: '#306cbe',
    950: '#000000',
  },
}

SCSS

$custom: #306cbe;
$custom-light: #7b95d2;
$custom-dark: #000000;

JSON

{
  "hex": "#306cbe",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 190
  },
  "hsl": {
    "h": 214.648,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53471,
    "c": 0.14287,
    "h": 257.1
  },
  "luminance": 0.15071
}

Semantic roles & 50–950 ramp

primary

#306CBE

secondary

#CBAB7F

accent

#A045E3

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306CBE

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

Preview Lab → · Contrast checker → · Palette generator →