#2F558B#2F558B
#2F558B is a dark, moderate blue. Relative luminance 0.090; OKLCH L 44.9% C 0.099 H 257.4°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).
Color values
| HEX | #2F558B |
|---|---|
| RGB | rgb(47, 85, 139) |
| HSL | hsl(215, 49%, 36%) |
| HSV | hsv(215, 66%, 55%) |
| CMYK | cmyk(66.2%, 38.8%, 0%, 45.5%) |
| CIE-LAB | lab(35.92, 4.79, -34.05) |
| CIE-LCH | lch(35.92, 34.38, 278.01°) |
| OKLab | oklab(44.88% -0.0216 -0.0967) |
| OKLCH | oklch(44.88% 0.099 257.4) |
| XYZ | xyz(9.0793, 8.9645, 25.6729) |
| Luminance | 0.0896 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.18
Light Navy Blue
#2E5A88
ΔE00 2.50
Denim Blue
#3B5B92
ΔE00 2.53
Light Navy
#155084
ΔE00 3.51
Cobalt (survey)
#1E488F
ΔE00 4.37
Dusky Blue
#475F94
ΔE00 4.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F558B #8B652F
analogous
#2F838B #2F558B #372F8B
triadic
#2F558B #8B2F55 #558B2F
tetradic
#2F558B #8B2F83 #8B652F #2F8B37
square
#2F558B #8B2F83 #8B652F #2F8B37
split-complementary
#2F558B #8B372F #838B2F
monochromatic
#101D30 #20395D #2F558B #3E71B9 #6892CC
Accessibility & contrast
On white
7.52
#2F558B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.79
#2F558B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F558B
7.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F558B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F558B | 1.00 | 7.52 | 2.79 | 7.52 |
| #FFFFFF | 7.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D598D
Deuteranopia (green-blind)
#30518A
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #2f558b; /* rgb */ color: rgb(47, 85, 139); /* oklch */ color: oklch(44.9% 0.099 257.4);
Tailwind
colors: {
custom: {
50: '#7184ad',
500: '#2f558b',
950: '#000000',
},
}SCSS
$custom: #2f558b; $custom-light: #7184ad; $custom-dark: #000000;
JSON
{
"hex": "#2f558b",
"rgb": {
"r": 47,
"g": 85,
"b": 139
},
"hsl": {
"h": 215.217,
"s": 49.462,
"l": 36.471
},
"oklch": {
"l": 0.44877,
"c": 0.09913,
"h": 257.4
},
"luminance": 0.08965
}Semantic roles & 50–950 ramp
primary
#2F558B
secondary
#B39263
accent
#A04FD9
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#080A10
muted
#7B7C7F