#306EB6#306EB6

#306EB6 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.4% C 0.130 H 254.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#306EB6
RGB	rgb(48, 110, 182)
HSL	hsl(212, 58%, 45%)
HSV	hsv(212, 74%, 71%)
CMYK	cmyk(73.6%, 39.6%, 0%, 28.6%)
CIE-LAB	lab(45.85, 5.02, -43.84)
CIE-LCH	lch(45.85, 44.13, 276.54°)
OKLab	oklab(53.41% -0.0355 -0.125)
OKLCH	oklch(53.41% 0.13 254.2)
XYZ	xyz(15.2352, 15.1559, 46.3693)
Luminance	0.1516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306EB6 #B67830

analogous

#30B1B6 #306EB6 #3530B6

triadic

#306EB6 #B6306E #6EB630

tetradic

#306EB6 #B630B1 #B67830 #30B635

square

#306EB6 #B630B1 #B67830 #30B635

split-complementary

#306EB6 #B63530 #B1B630

monochromatic

#163355 #235186 #306EB6 #528DD1 #82ADDE

Accessibility & contrast

On white

5.21

#306EB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#306EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306EB6

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306EB6	#FFFFFF	#000000	##FFFFFF
##306EB6	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)

#4C73B9

Deuteranopia (green-blind)

#3767B5

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306eb6;
/* rgb */ color: rgb(48, 110, 182);
/* oklch */ color: oklch(53.4% 0.130 254.2);

Tailwind

colors: {
  custom: {
    50: '#7a97cc',
    500: '#306eb6',
    950: '#000000',
  },
}

SCSS

$custom: #306eb6;
$custom-light: #7a97cc;
$custom-dark: #000000;

JSON

{
  "hex": "#306eb6",
  "rgb": {
    "r": 48,
    "g": 110,
    "b": 182
  },
  "hsl": {
    "h": 212.239,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53412,
    "c": 0.12999,
    "h": 254.2
  },
  "luminance": 0.15158
}

Semantic roles & 50–950 ramp

primary

#306EB6

secondary

#C7A47B

accent

#9A46E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #306EB6

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

Preview Lab → · Contrast checker → · Palette generator →