#2F437A#2F437A
#2F437A is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.6% C 0.096 H 266.9°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).
Color values
| HEX | #2F437A |
|---|---|
| RGB | rgb(47, 67, 122) |
| HSL | hsl(224, 44%, 33%) |
| HSV | hsv(224, 61%, 48%) |
| CMYK | cmyk(61.5%, 45.1%, 0%, 52.2%) |
| CIE-LAB | lab(29.47, 10.46, -33.79) |
| CIE-LCH | lch(29.47, 35.37, 287.20°) |
| OKLab | oklab(39.57% -0.0051 -0.0962) |
| OKLCH | oklch(39.57% 0.096 266.9) |
| XYZ | xyz(6.6911, 6.0232, 19.2186) |
| Luminance | 0.0602 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 4.41
Darkish Blue
#014182
ΔE00 4.95
Twilight Blue
#0A437A
ΔE00 5.20
Marine Blue
#01386A
ΔE00 6.08
Prussian Blue
#004577
ΔE00 6.67
Twilight
#4E518B
ΔE00 6.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F437A #7A662F
analogous
#2F687A #2F437A #402F7A
triadic
#2F437A #7A2F43 #437A2F
tetradic
#2F437A #7A2F68 #7A662F #2F7A40
square
#2F437A #7A2F68 #7A662F #2F7A40
split-complementary
#2F437A #7A402F #687A2F
monochromatic
#0D1222 #1E2B4E #2F437A #405BA6 #617BC2
Accessibility & contrast
On white
9.52
#2F437A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.20
#2F437A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F437A
9.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F437A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F437A | 1.00 | 9.52 | 2.20 | 9.52 |
| #FFFFFF | 9.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2A497C
Deuteranopia (green-blind)
#204279
Tritanopia (blue-blind)
#004F58
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #2f437a; /* rgb */ color: rgb(47, 67, 122); /* oklch */ color: oklch(39.6% 0.096 266.9);
Tailwind
colors: {
custom: {
50: '#6f76a1',
500: '#2f437a',
950: '#000000',
},
}SCSS
$custom: #2f437a; $custom-light: #6f76a1; $custom-dark: #000000;
JSON
{
"hex": "#2f437a",
"rgb": {
"r": 47,
"g": 67,
"b": 122
},
"hsl": {
"h": 224,
"s": 44.379,
"l": 33.137
},
"oklch": {
"l": 0.39566,
"c": 0.09637,
"h": 266.9
},
"luminance": 0.06024
}Semantic roles & 50–950 ramp
primary
#2F437A
secondary
#A9945C
accent
#B254D4
background
#F6F7F9
surface
#ECEDF2
border
#C7C8CC
text
#08080F
muted
#7B7B7E