#2F497B#2F497B
#2F497B is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.0% C 0.090 H 262.4°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).
Color values
| HEX | #2F497B |
|---|---|
| RGB | rgb(47, 73, 123) |
| HSL | hsl(219, 45%, 33%) |
| HSV | hsv(219, 62%, 48%) |
| CMYK | cmyk(61.8%, 40.7%, 0%, 51.8%) |
| CIE-LAB | lab(31.34, 6.79, -31.44) |
| CIE-LCH | lch(31.34, 32.16, 282.19°) |
| OKLab | oklab(41.03% -0.012 -0.0892) |
| OKLCH | oklch(41.03% 0.09 262.4) |
| XYZ | xyz(7.1287, 6.7989, 19.6717) |
| Luminance | 0.0680 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.46
Twilight Blue
#0A437A
ΔE00 4.35
Darkish Blue
#014182
ΔE00 4.55
Dusk Blue
#26538D
ΔE00 4.74
Prussian Blue
#004577
ΔE00 5.45
Light Navy
#155084
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F497B #7B612F
analogous
#2F6F7B #2F497B #3B2F7B
triadic
#2F497B #7B2F49 #497B2F
tetradic
#2F497B #7B2F6F #7B612F #2F7B3B
square
#2F497B #7B2F6F #7B612F #2F7B3B
split-complementary
#2F497B #7B3B2F #6F7B2F
monochromatic
#0D1422 #1E2F4F #2F497B #4063A7 #6283C3
Accessibility & contrast
On white
8.90
#2F497B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#2F497B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F497B
8.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F497B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F497B | 1.00 | 8.90 | 2.36 | 8.90 |
| #FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#344E7D
Deuteranopia (green-blind)
#29477A
Tritanopia (blue-blind)
#00545C
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2f497b; /* rgb */ color: rgb(47, 73, 123); /* oklch */ color: oklch(41.0% 0.090 262.4);
Tailwind
colors: {
custom: {
50: '#6f7ba1',
500: '#2f497b',
950: '#000000',
},
}SCSS
$custom: #2f497b; $custom-light: #6f7ba1; $custom-dark: #000000;
JSON
{
"hex": "#2f497b",
"rgb": {
"r": 47,
"g": 73,
"b": 123
},
"hsl": {
"h": 219.474,
"s": 44.706,
"l": 33.333
},
"oklch": {
"l": 0.4103,
"c": 0.09005,
"h": 262.4
},
"luminance": 0.06799
}Semantic roles & 50–950 ramp
primary
#2F497B
secondary
#AA8F5C
accent
#A853D4
background
#F6F7F9
surface
#ECEDF2
border
#C7C8CC
text
#08090F
muted
#7B7B7E