#2F5BC3#2F5BC3
#2F5BC3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.1% C 0.170 H 264.0°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).
Color values
| HEX | #2F5BC3 |
|---|---|
| RGB | rgb(47, 91, 195) |
| HSL | hsl(222, 61%, 47%) |
| HSV | hsv(222, 76%, 76%) |
| CMYK | cmyk(75.9%, 53.3%, 0%, 23.5%) |
| CIE-LAB | lab(41.26, 21.96, -58.77) |
| CIE-LCH | lch(41.26, 62.74, 290.49°) |
| OKLab | oklab(50.14% -0.0179 -0.1693) |
| OKLCH | oklch(50.14% 0.17 264) |
| XYZ | xyz(14.7602, 12.0250, 53.1623) |
| Luminance | 0.1203 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.54
Denim
#1560BD
ΔE00 3.79
Azul
#1D5DEC
ΔE00 4.98
Warm Blue
#4B57DB
ΔE00 5.87
French Blue
#436BAD
ΔE00 6.01
Denim Blue
#3B5B92
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F5BC3 #C3972F
analogous
#2FA5C3 #2F5BC3 #4D2FC3
triadic
#2F5BC3 #C32F5B #5BC32F
tetradic
#2F5BC3 #C32FA5 #C3972F #2FC34D
square
#2F5BC3 #C32FA5 #C3972F #2FC34D
split-complementary
#2F5BC3 #C34D2F #A5C32F
monochromatic
#172D60 #234492 #2F5BC3 #587ED7 #8AA4E3
Accessibility & contrast
On white
6.17
#2F5BC3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.41
#2F5BC3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2F5BC3
6.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F5BC3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F5BC3 | 1.00 | 6.17 | 3.41 | 6.17 |
| #FFFFFF | 6.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0968C7
Deuteranopia (green-blind)
#005BC1
Tritanopia (blue-blind)
#007486
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #2f5bc3; /* rgb */ color: rgb(47, 91, 195); /* oklch */ color: oklch(50.1% 0.170 264.0);
Tailwind
colors: {
custom: {
50: '#7d88d6',
500: '#2f5bc3',
950: '#000000',
},
}SCSS
$custom: #2f5bc3; $custom-light: #7d88d6; $custom-dark: #000000;
JSON
{
"hex": "#2f5bc3",
"rgb": {
"r": 47,
"g": 91,
"b": 195
},
"hsl": {
"h": 222.162,
"s": 61.157,
"l": 47.451
},
"oklch": {
"l": 0.50136,
"c": 0.17025,
"h": 264
},
"luminance": 0.12027
}Semantic roles & 50–950 ramp
primary
#2F5BC3
secondary
#CDB681
accent
#B444E4
background
#F8F8FD
surface
#EFEFFA
border
#CACAD3
text
#0B0B14
muted
#7C7C83