#2F508D#2F508D
#2F508D is a dark, moderate blue. Relative luminance 0.083; OKLCH L 43.8% C 0.108 H 261.6°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).
Color values
| HEX | #2F508D |
|---|---|
| RGB | rgb(47, 80, 141) |
| HSL | hsl(219, 50%, 37%) |
| HSV | hsv(219, 67%, 55%) |
| CMYK | cmyk(66.7%, 43.3%, 0%, 44.7%) |
| CIE-LAB | lab(34.53, 8.81, -37.48) |
| CIE-LCH | lch(34.53, 38.50, 283.23°) |
| OKLab | oklab(43.84% -0.0158 -0.1069) |
| OKLCH | oklch(43.84% 0.108 261.6) |
| XYZ | xyz(8.8470, 8.2639, 26.3230) |
| Luminance | 0.0827 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.29
Cobalt (survey)
#1E488F
ΔE00 2.81
Denim Blue
#3B5B92
ΔE00 3.67
Light Navy
#155084
ΔE00 4.39
Light Navy Blue
#2E5A88
ΔE00 4.48
Cobalt
#0047AB
ΔE00 5.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F508D #8D6C2F
analogous
#2F7F8D #2F508D #3D2F8D
triadic
#2F508D #8D2F50 #508D2F
tetradic
#2F508D #8D2F7F #8D6C2F #2F8D3D
square
#2F508D #8D2F7F #8D6C2F #2F8D3D
split-complementary
#2F508D #8D3D2F #7F8D2F
monochromatic
#101C31 #20365F #2F508D #3E6ABB #698CCD
Accessibility & contrast
On white
7.92
#2F508D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#2F508D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F508D
7.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F508D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F508D | 1.00 | 7.92 | 2.65 | 7.92 |
| #FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#34568F
Deuteranopia (green-blind)
#254D8C
Tritanopia (blue-blind)
#005E67
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2f508d; /* rgb */ color: rgb(47, 80, 141); /* oklch */ color: oklch(43.8% 0.108 261.6);
Tailwind
colors: {
custom: {
50: '#7280af',
500: '#2f508d',
950: '#000000',
},
}SCSS
$custom: #2f508d; $custom-light: #7280af; $custom-dark: #000000;
JSON
{
"hex": "#2f508d",
"rgb": {
"r": 47,
"g": 80,
"b": 141
},
"hsl": {
"h": 218.936,
"s": 50,
"l": 36.863
},
"oklch": {
"l": 0.43838,
"c": 0.10803,
"h": 261.6
},
"luminance": 0.08265
}Semantic roles & 50–950 ramp
primary
#2F508D
secondary
#B49864
accent
#A94EDA
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080A10
muted
#7B7C7F