#2633B0#2633B0
#2633B0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.6% C 0.195 H 269.8°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).
Color values
| HEX | #2633B0 |
|---|---|
| RGB | rgb(38, 51, 176) |
| HSL | hsl(234, 64%, 42%) |
| HSV | hsv(234, 78%, 69%) |
| CMYK | cmyk(78.4%, 71%, 0%, 31%) |
| CIE-LAB | lab(29.19, 39.80, -67.31) |
| CIE-LCH | lch(29.19, 78.20, 300.59°) |
| OKLab | oklab(40.59% -0.0006 -0.1949) |
| OKLCH | oklch(40.59% 0.195 269.8) |
| XYZ | xyz(9.8169, 5.9132, 41.6899) |
| Luminance | 0.0591 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.88
Blue Blue
#2242C7
ΔE00 5.08
Ocean Blue
#4F42B5
ΔE00 5.93
Indigo Blue
#3A18B1
ΔE00 6.13
Blue With A Hint Of Purple
#533CC6
ΔE00 6.53
Blueberry
#464196
ΔE00 6.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2633B0 #B0A326
analogous
#2678B0 #2633B0 #5E26B0
triadic
#2633B0 #B02633 #33B026
tetradic
#2633B0 #B02678 #B0A326 #26B05E
square
#2633B0 #B02678 #B0A326 #26B05E
split-complementary
#2633B0 #B05E26 #78B026
monochromatic
#10164B #1B247E #2633B0 #3E4CD5 #707BE0
Accessibility & contrast
On white
9.62
#2633B0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.18
#2633B0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2633B0
9.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2633B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2633B0 | 1.00 | 9.62 | 2.18 | 9.62 |
| #FFFFFF | 9.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CB4
Deuteranopia (green-blind)
#003EAE
Tritanopia (blue-blind)
#00566E
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #2633b0; /* rgb */ color: rgb(38, 51, 176); /* oklch */ color: oklch(40.6% 0.195 269.8);
Tailwind
colors: {
custom: {
50: '#786bc9',
500: '#2633b0',
950: '#000000',
},
}SCSS
$custom: #2633b0; $custom-light: #786bc9; $custom-dark: #000000;
JSON
{
"hex": "#2633b0",
"rgb": {
"r": 38,
"g": 51,
"b": 176
},
"hsl": {
"h": 234.348,
"s": 64.486,
"l": 41.961
},
"oklch": {
"l": 0.40593,
"c": 0.19493,
"h": 269.8
},
"luminance": 0.05914
}Semantic roles & 50–950 ramp
primary
#2633B0
secondary
#C7BE6B
accent
#D840E7
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0713
muted
#7C7A82