#306188#306188

#306188 is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.6% C 0.083 H 244.8°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#306188
RGB	rgb(48, 97, 136)
HSL	hsl(207, 48%, 36%)
HSV	hsv(207, 65%, 53%)
CMYK	cmyk(64.7%, 28.7%, 0%, 46.7%)
CIE-LAB	lab(39.50, -3.70, -26.57)
CIE-LCH	lch(39.50, 26.83, 262.07°)
OKLab	oklab(47.65% -0.0352 -0.0748)
OKLCH	oklch(47.65% 0.083 244.8)
XYZ	xyz(9.9359, 10.9544, 24.8786)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306188 #885730

analogous

#308883 #306188 #303588

triadic

#306188 #883061 #618830

tetradic

#306188 #833088 #885730 #358830

square

#306188 #833088 #885730 #358830

split-complementary

#306188 #883035 #888330

monochromatic

#10202E #20415B #306188 #4081B5 #699FCA

Accessibility & contrast

On white

6.58

#306188 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#306188 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306188

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306188	#FFFFFF	#000000	##FFFFFF
##306188	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50628A

Deuteranopia (green-blind)

#445987

Tritanopia (blue-blind)

#006A6F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #306188;
/* rgb */ color: rgb(48, 97, 136);
/* oklch */ color: oklch(47.6% 0.083 244.8);

Tailwind

colors: {
  custom: {
    50: '#718dab',
    500: '#306188',
    950: '#000000',
  },
}

SCSS

$custom: #306188;
$custom-light: #718dab;
$custom-dark: #000000;

JSON

{
  "hex": "#306188",
  "rgb": {
    "r": 48,
    "g": 97,
    "b": 136
  },
  "hsl": {
    "h": 206.591,
    "s": 47.826,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4765,
    "c": 0.08268,
    "h": 244.8
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary

#306188

secondary

#B18563

accent

#8C50D7

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #306188

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

Preview Lab → · Contrast checker → · Palette generator →