#2F66C3#2F66C3
#2F66C3 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.157 H 260.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).
Color values
| HEX | #2F66C3 |
|---|---|
| RGB | rgb(47, 102, 195) |
| HSL | hsl(218, 61%, 47%) |
| HSV | hsv(218, 76%, 76%) |
| CMYK | cmyk(75.9%, 47.7%, 0%, 23.5%) |
| CIE-LAB | lab(44.30, 14.85, -53.86) |
| CIE-LCH | lch(44.30, 55.87, 285.41°) |
| OKLab | oklab(52.46% -0.0266 -0.1546) |
| OKLCH | oklch(52.46% 0.157 260.2) |
| XYZ | xyz(15.7704, 14.0454, 53.4991) |
| Luminance | 0.1405 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 2.72
French Blue
#436BAD
ΔE00 3.10
Mid Blue
#276AB3
ΔE00 3.48
Medium Blue
#2C6FBB
ΔE00 4.00
Royal Blue
#4169E1
ΔE00 5.08
Cerulean Blue
#056EEE
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F66C3 #C38C2F
analogous
#2FB0C3 #2F66C3 #422FC3
triadic
#2F66C3 #C32F66 #66C32F
tetradic
#2F66C3 #C32FB0 #C38C2F #2FC342
square
#2F66C3 #C32FB0 #C38C2F #2FC342
split-complementary
#2F66C3 #C3422F #B0C32F
monochromatic
#173260 #234C92 #2F66C3 #5887D7 #8AABE3
Accessibility & contrast
On white
5.51
#2F66C3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.81
#2F66C3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2F66C3
5.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F66C3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F66C3 | 1.00 | 5.51 | 3.81 | 5.51 |
| #FFFFFF | 5.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3270C6
Deuteranopia (green-blind)
#0162C1
Tritanopia (blue-blind)
#007C8B
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #2f66c3; /* rgb */ color: rgb(47, 102, 195); /* oklch */ color: oklch(52.5% 0.157 260.2);
Tailwind
colors: {
custom: {
50: '#7c91d6',
500: '#2f66c3',
950: '#000000',
},
}SCSS
$custom: #2f66c3; $custom-light: #7c91d6; $custom-dark: #000000;
JSON
{
"hex": "#2f66c3",
"rgb": {
"r": 47,
"g": 102,
"b": 195
},
"hsl": {
"h": 217.703,
"s": 61.157,
"l": 47.451
},
"oklch": {
"l": 0.52458,
"c": 0.15692,
"h": 260.2
},
"luminance": 0.14047
}Semantic roles & 50–950 ramp
primary
#2F66C3
secondary
#CDB181
accent
#A944E4
background
#F8F8FD
surface
#EFF0FA
border
#CACBD3
text
#0B0C14
muted
#7C7D83