#2F4583#2F4583
#2F4583 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.6% C 0.107 H 266.9°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).
Color values
| HEX | #2F4583 |
|---|---|
| RGB | rgb(47, 69, 131) |
| HSL | hsl(224, 47%, 35%) |
| HSV | hsv(224, 64%, 51%) |
| CMYK | cmyk(64.1%, 47.3%, 0%, 48.6%) |
| CIE-LAB | lab(30.64, 12.44, -37.54) |
| CIE-LCH | lch(30.64, 39.55, 288.33°) |
| OKLab | oklab(40.64% -0.0058 -0.1072) |
| OKLCH | oklch(40.64% 0.107 266.9) |
| XYZ | xyz(7.3957, 6.4986, 22.3329) |
| Luminance | 0.0650 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.27
Darkish Blue
#014182
ΔE00 4.66
Twilight Blue
#0A437A
ΔE00 5.13
Dusk Blue
#26538D
ΔE00 5.99
Cobalt
#0047AB
ΔE00 6.15
Blueberry
#464196
ΔE00 6.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F4583 #836D2F
analogous
#2F6F83 #2F4583 #432F83
triadic
#2F4583 #832F45 #45832F
tetradic
#2F4583 #832F6F #836D2F #2F8343
square
#2F4583 #832F6F #836D2F #2F8343
split-complementary
#2F4583 #83432F #6F832F
monochromatic
#0F1629 #1F2D56 #2F4583 #3F5DB0 #657FC8
Accessibility & contrast
On white
9.13
#2F4583 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#2F4583 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F4583
9.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F4583 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F4583 | 1.00 | 9.13 | 2.30 | 9.13 |
| #FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#274C85
Deuteranopia (green-blind)
#194582
Tritanopia (blue-blind)
#00535D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2f4583; /* rgb */ color: rgb(47, 69, 131); /* oklch */ color: oklch(40.6% 0.107 266.9);
Tailwind
colors: {
custom: {
50: '#7078a7',
500: '#2f4583',
950: '#000000',
},
}SCSS
$custom: #2f4583; $custom-light: #7078a7; $custom-dark: #000000;
JSON
{
"hex": "#2f4583",
"rgb": {
"r": 47,
"g": 69,
"b": 131
},
"hsl": {
"h": 224.286,
"s": 47.191,
"l": 34.902
},
"oklch": {
"l": 0.40645,
"c": 0.10737,
"h": 266.9
},
"luminance": 0.06499
}Semantic roles & 50–950 ramp
primary
#2F4583
secondary
#AF9A5F
accent
#B451D7
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#08080F
muted
#7B7B7F