#2A5BD0#2A5BD0
#2A5BD0 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.189 H 263.8°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2A5BD0 |
|---|---|
| RGB | rgb(42, 91, 208) |
| HSL | hsl(222, 66%, 49%) |
| HSV | hsv(222, 80%, 82%) |
| CMYK | cmyk(79.8%, 56.2%, 0%, 18.4%) |
| CIE-LAB | lab(42.04, 26.34, -65.01) |
| CIE-LCH | lch(42.04, 70.15, 292.06°) |
| OKLab | oklab(50.98% -0.0205 -0.1877) |
| OKLCH | oklch(50.98% 0.189 263.8) |
| XYZ | xyz(16.0770, 12.5266, 61.2328) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 3.42
Sapphire
#0F52BA
ΔE00 4.43
Denim
#1560BD
ΔE00 4.56
Warm Blue
#4B57DB
ΔE00 4.89
Royal Blue
#4169E1
ΔE00 5.48
Bright Blue
#0165FC
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A5BD0 #D09F2A
analogous
#2AAED0 #2A5BD0 #4C2AD0
triadic
#2A5BD0 #D02A5B #5BD02A
tetradic
#2A5BD0 #D02AAE #D09F2A #2AD04C
square
#2A5BD0 #D02AAE #D09F2A #2AD04C
split-complementary
#2A5BD0 #D04C2A #AED02A
monochromatic
#152E6A #20459D #2A5BD0 #5A81DE #8DA7E8
Accessibility & contrast
On white
5.99
#2A5BD0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#2A5BD0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2A5BD0
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A5BD0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A5BD0 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006BD4
Deuteranopia (green-blind)
#005CCE
Tritanopia (blue-blind)
#00788C
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #2a5bd0; /* rgb */ color: rgb(42, 91, 208); /* oklch */ color: oklch(51.0% 0.189 263.8);
Tailwind
colors: {
custom: {
50: '#7e88df',
500: '#2a5bd0',
950: '#000000',
},
}SCSS
$custom: #2a5bd0; $custom-light: #7e88df; $custom-dark: #000000;
JSON
{
"hex": "#2a5bd0",
"rgb": {
"r": 42,
"g": 91,
"b": 208
},
"hsl": {
"h": 222.289,
"s": 66.4,
"l": 49.02
},
"oklch": {
"l": 0.50983,
"c": 0.18885,
"h": 263.8
},
"luminance": 0.12528
}Semantic roles & 50–950 ramp
primary
#2A5BD0
secondary
#D2BB84
accent
#B73EE9
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0B15
muted
#7D7C83