#2F448B#2F448B
#2F448B is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.0% C 0.121 H 268.3°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).
Color values
| HEX | #2F448B |
|---|---|
| RGB | rgb(47, 68, 139) |
| HSL | hsl(226, 49%, 36%) |
| HSV | hsv(226, 66%, 55%) |
| CMYK | cmyk(66.2%, 51.1%, 0%, 45.5%) |
| CIE-LAB | lab(30.88, 16.11, -42.09) |
| CIE-LCH | lch(30.88, 45.07, 290.94°) |
| OKLab | oklab(41% -0.0036 -0.1206) |
| OKLCH | oklch(41% 0.121 268.3) |
| XYZ | xyz(7.8980, 6.6019, 25.2792) |
| Luminance | 0.0660 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.30
Darkish Blue
#014182
ΔE00 5.06
Cobalt
#0047AB
ΔE00 5.29
Blueberry
#464196
ΔE00 5.30
Twilight Blue
#0A437A
ΔE00 5.81
Darkslateblue
#483D8B
ΔE00 6.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F448B #8B762F
analogous
#2F728B #2F448B #482F8B
triadic
#2F448B #8B2F44 #448B2F
tetradic
#2F448B #8B2F72 #8B762F #2F8B48
square
#2F448B #8B2F72 #8B762F #2F8B48
split-complementary
#2F448B #8B482F #728B2F
monochromatic
#101730 #202E5D #2F448B #3E5AB9 #687FCC
Accessibility & contrast
On white
9.05
#2F448B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.32
#2F448B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F448B
9.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F448B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F448B | 1.00 | 9.05 | 2.32 | 9.05 |
| #FFFFFF | 9.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D4D8E
Deuteranopia (green-blind)
#04458A
Tritanopia (blue-blind)
#005461
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2f448b; /* rgb */ color: rgb(47, 68, 139); /* oklch */ color: oklch(41.0% 0.121 268.3);
Tailwind
colors: {
custom: {
50: '#7277ad',
500: '#2f448b',
950: '#000000',
},
}SCSS
$custom: #2f448b; $custom-light: #7277ad; $custom-dark: #000000;
JSON
{
"hex": "#2f448b",
"rgb": {
"r": 47,
"g": 68,
"b": 139
},
"hsl": {
"h": 226.304,
"s": 49.462,
"l": 36.471
},
"oklch": {
"l": 0.41004,
"c": 0.12066,
"h": 268.3
},
"luminance": 0.06603
}Semantic roles & 50–950 ramp
primary
#2F448B
secondary
#B3A163
accent
#B94FD9
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#090810
muted
#7B7B7F