#305D8F#305D8F
#305D8F is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 47.1% C 0.096 H 252.6°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).
Color values
| HEX | #305D8F |
|---|---|
| RGB | rgb(48, 93, 143) |
| HSL | hsl(212, 50%, 37%) |
| HSV | hsv(212, 66%, 56%) |
| CMYK | cmyk(66.4%, 35%, 0%, 43.9%) |
| CIE-LAB | lab(38.62, 1.31, -32.20) |
| CIE-LCH | lch(38.62, 32.22, 272.34°) |
| OKLab | oklab(47.07% -0.0285 -0.0912) |
| OKLCH | oklch(47.07% 0.096 252.6) |
| XYZ | xyz(10.0894, 10.4393, 27.4645) |
| Luminance | 0.1044 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 1.30
Denim (survey)
#3B638C
ΔE00 2.48
Denim Blue
#3B5B92
ΔE00 2.88
Dusk Blue
#26538D
ΔE00 3.43
Light Navy
#155084
ΔE00 4.70
Dusky Blue
#475F94
ΔE00 4.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#305D8F #8F6230
analogous
#308C8F #305D8F #33308F
triadic
#305D8F #8F305D #5D8F30
tetradic
#305D8F #8F308C #8F6230 #308F33
square
#305D8F #8F308C #8F6230 #308F33
split-complementary
#305D8F #8F3330 #8C8F30
monochromatic
#112133 #213F61 #305D8F #3F7BBD #6C9ACE
Accessibility & contrast
On white
6.80
#305D8F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.09
#305D8F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #305D8F
6.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##305D8F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##305D8F | 1.00 | 6.80 | 3.09 | 6.80 |
| #FFFFFF | 6.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#476091
Deuteranopia (green-blind)
#3A578E
Tritanopia (blue-blind)
#00696F
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #305d8f; /* rgb */ color: rgb(48, 93, 143); /* oklch */ color: oklch(47.1% 0.096 252.6);
Tailwind
colors: {
custom: {
50: '#728ab0',
500: '#305d8f',
950: '#000000',
},
}SCSS
$custom: #305d8f; $custom-light: #728ab0; $custom-dark: #000000;
JSON
{
"hex": "#305d8f",
"rgb": {
"r": 48,
"g": 93,
"b": 143
},
"hsl": {
"h": 211.579,
"s": 49.738,
"l": 37.451
},
"oklch": {
"l": 0.4707,
"c": 0.09557,
"h": 252.6
},
"luminance": 0.1044
}Semantic roles & 50–950 ramp
primary
#305D8F
secondary
#B58F66
accent
#984FD9
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#090B10
muted
#7B7C7F