#2F548B#2F548B
#2F548B is a dark, moderate blue. Relative luminance 0.088; OKLCH L 44.6% C 0.100 H 258.2°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).
Color values
| HEX | #2F548B |
|---|---|
| RGB | rgb(47, 84, 139) |
| HSL | hsl(216, 49%, 36%) |
| HSV | hsv(216, 66%, 55%) |
| CMYK | cmyk(66.2%, 39.6%, 0%, 45.5%) |
| CIE-LAB | lab(35.61, 5.44, -34.53) |
| CIE-LCH | lch(35.61, 34.95, 278.95°) |
| OKLab | oklab(44.64% -0.0206 -0.0982) |
| OKLCH | oklch(44.64% 0.1 258.2) |
| XYZ | xyz(9.0011, 8.8082, 25.6469) |
| Luminance | 0.0881 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.22
Denim Blue
#3B5B92
ΔE00 2.69
Light Navy Blue
#2E5A88
ΔE00 2.89
Light Navy
#155084
ΔE00 3.59
Cobalt (survey)
#1E488F
ΔE00 4.04
Dusky Blue
#475F94
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F548B #8B662F
analogous
#2F828B #2F548B #382F8B
triadic
#2F548B #8B2F54 #548B2F
tetradic
#2F548B #8B2F82 #8B662F #2F8B38
square
#2F548B #8B2F82 #8B662F #2F8B38
split-complementary
#2F548B #8B382F #828B2F
monochromatic
#101D30 #20385D #2F548B #3E70B9 #6890CC
Accessibility & contrast
On white
7.60
#2F548B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#2F548B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F548B
7.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F548B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F548B | 1.00 | 7.60 | 2.76 | 7.60 |
| #FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3C588D
Deuteranopia (green-blind)
#2F508A
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #2f548b; /* rgb */ color: rgb(47, 84, 139); /* oklch */ color: oklch(44.6% 0.100 258.2);
Tailwind
colors: {
custom: {
50: '#7183ad',
500: '#2f548b',
950: '#000000',
},
}SCSS
$custom: #2f548b; $custom-light: #7183ad; $custom-dark: #000000;
JSON
{
"hex": "#2f548b",
"rgb": {
"r": 47,
"g": 84,
"b": 139
},
"hsl": {
"h": 215.87,
"s": 49.462,
"l": 36.471
},
"oklch": {
"l": 0.44641,
"c": 0.1003,
"h": 258.2
},
"luminance": 0.08809
}Semantic roles & 50–950 ramp
primary
#2F548B
secondary
#B39363
accent
#A14FD9
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#080A10
muted
#7B7C7F