#2B63B8#2B63B8
#2B63B8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.147 H 258.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).
Color values
| HEX | #2B63B8 |
|---|---|
| RGB | rgb(43, 99, 184) |
| HSL | hsl(216, 62%, 45%) |
| HSV | hsv(216, 77%, 72%) |
| CMYK | cmyk(76.6%, 46.2%, 0%, 27.8%) |
| CIE-LAB | lab(42.61, 12.11, -50.19) |
| CIE-LCH | lch(42.61, 51.64, 283.57°) |
| OKLab | oklab(50.89% -0.0286 -0.144) |
| OKLCH | oklch(50.89% 0.147 258.8) |
| XYZ | xyz(14.1067, 12.8963, 47.0839) |
| Luminance | 0.1290 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 1.45
Mid Blue
#276AB3
ΔE00 3.19
French Blue
#436BAD
ΔE00 3.37
Medium Blue
#2C6FBB
ΔE00 4.52
Denim (survey)
#3B638C
ΔE00 5.02
Denim Blue
#3B5B92
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B63B8 #B8802B
analogous
#2BAAB8 #2B63B8 #392BB8
triadic
#2B63B8 #B82B63 #63B82B
tetradic
#2B63B8 #B82BAA #B8802B #2BB839
square
#2B63B8 #B82BAA #B8802B #2BB839
split-complementary
#2B63B8 #B8392B #AAB82B
monochromatic
#142E55 #1F4886 #2B63B8 #4B82D5 #7DA4E1
Accessibility & contrast
On white
5.87
#2B63B8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.58
#2B63B8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B63B8
5.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B63B8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B63B8 | 1.00 | 5.87 | 3.58 | 5.87 |
| #FFFFFF | 5.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#366BBB
Deuteranopia (green-blind)
#145FB6
Tritanopia (blue-blind)
#007784
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #2b63b8; /* rgb */ color: rgb(43, 99, 184); /* oklch */ color: oklch(50.9% 0.147 258.8);
Tailwind
colors: {
custom: {
50: '#798ece',
500: '#2b63b8',
950: '#000000',
},
}SCSS
$custom: #2b63b8; $custom-light: #798ece; $custom-dark: #000000;
JSON
{
"hex": "#2b63b8",
"rgb": {
"r": 43,
"g": 99,
"b": 184
},
"hsl": {
"h": 216.17,
"s": 62.115,
"l": 44.51
},
"oklch": {
"l": 0.50892,
"c": 0.1468,
"h": 258.8
},
"luminance": 0.12898
}Semantic roles & 50–950 ramp
primary
#2B63B8
secondary
#C9A876
accent
#A543E5
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0A0C14
muted
#7C7D82