#2A63B3#2A63B3
#2A63B3 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.5% C 0.140 H 257.6°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).
Color values
| HEX | #2A63B3 |
|---|---|
| RGB | rgb(42, 99, 179) |
| HSL | hsl(215, 62%, 43%) |
| HSV | hsv(215, 77%, 70%) |
| CMYK | cmyk(76.5%, 44.7%, 0%, 29.8%) |
| CIE-LAB | lab(42.26, 10.08, -47.83) |
| CIE-LCH | lch(42.26, 48.88, 281.90°) |
| OKLab | oklab(50.52% -0.0301 -0.137) |
| OKLCH | oklch(50.52% 0.14 257.6) |
| XYZ | xyz(13.5504, 12.6690, 44.3703) |
| Luminance | 0.1267 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim
#1560BD
ΔE00 1.52
Mid Blue
#276AB3
ΔE00 2.88
French Blue
#436BAD
ΔE00 3.45
Medium Blue
#2C6FBB
ΔE00 4.45
Denim (survey)
#3B638C
ΔE00 4.55
Denim Blue
#3B5B92
ΔE00 5.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A63B3 #B37A2A
analogous
#2AA7B3 #2A63B3 #352AB3
triadic
#2A63B3 #B32A63 #63B32A
tetradic
#2A63B3 #B32AA7 #B37A2A #2AB335
square
#2A63B3 #B32AA7 #B37A2A #2AB335
split-complementary
#2A63B3 #B3352A #A7B32A
monochromatic
#132C50 #1E4881 #2A63B3 #4681D4 #78A3DF
Accessibility & contrast
On white
5.94
#2A63B3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.53
#2A63B3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2A63B3
5.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A63B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A63B3 | 1.00 | 5.94 | 3.53 | 5.94 |
| #FFFFFF | 5.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A6AB6
Deuteranopia (green-blind)
#1E5EB1
Tritanopia (blue-blind)
#007682
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #2a63b3; /* rgb */ color: rgb(42, 99, 179); /* oklch */ color: oklch(50.5% 0.140 257.6);
Tailwind
colors: {
custom: {
50: '#778eca',
500: '#2a63b3',
950: '#000000',
},
}SCSS
$custom: #2a63b3; $custom-light: #778eca; $custom-dark: #000000;
JSON
{
"hex": "#2a63b3",
"rgb": {
"r": 42,
"g": 99,
"b": 179
},
"hsl": {
"h": 215.036,
"s": 61.991,
"l": 43.333
},
"oklch": {
"l": 0.50515,
"c": 0.14032,
"h": 257.6
},
"luminance": 0.12671
}Semantic roles & 50–950 ramp
primary
#2A63B3
secondary
#C7A472
accent
#A243E5
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C13
muted
#7C7D82