#263AAB#263AAB
#263AAB is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.181 H 268.8°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).
Color values
| HEX | #263AAB |
|---|---|
| RGB | rgb(38, 58, 171) |
| HSL | hsl(231, 64%, 41%) |
| HSV | hsv(231, 78%, 67%) |
| CMYK | cmyk(77.8%, 66.1%, 0%, 32.9%) |
| CIE-LAB | lab(30.35, 33.58, -62.42) |
| CIE-LCH | lch(30.35, 70.88, 298.27°) |
| OKLab | oklab(41.29% -0.0038 -0.1806) |
| OKLCH | oklch(41.29% 0.181 268.8) |
| XYZ | xyz(9.6605, 6.3774, 39.2420) |
| Luminance | 0.0638 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 0.62
Blue Blue
#2242C7
ΔE00 4.25
Blueberry
#464196
ΔE00 5.50
Ocean Blue
#4F42B5
ΔE00 5.60
Cobalt
#0047AB
ΔE00 5.60
Blue (survey)
#0343DF
ΔE00 6.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263AAB #AB9726
analogous
#267CAB #263AAB #5426AB
triadic
#263AAB #AB263A #3AAB26
tetradic
#263AAB #AB267C #AB9726 #26AB54
square
#263AAB #AB267C #AB9726 #26AB54
split-complementary
#263AAB #AB5426 #7CAB26
monochromatic
#101847 #1B2979 #263AAB #3B52D3 #6D7EDF
Accessibility & contrast
On white
9.23
#263AAB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#263AAB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263AAB
9.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263AAB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263AAB | 1.00 | 9.23 | 2.28 | 9.23 |
| #FFFFFF | 9.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EAF
Deuteranopia (green-blind)
#0041A9
Tritanopia (blue-blind)
#00586D
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #263aab; /* rgb */ color: rgb(38, 58, 171); /* oklch */ color: oklch(41.3% 0.181 268.8);
Tailwind
colors: {
custom: {
50: '#7670c5',
500: '#263aab',
950: '#000000',
},
}SCSS
$custom: #263aab; $custom-light: #7670c5; $custom-dark: #000000;
JSON
{
"hex": "#263aab",
"rgb": {
"r": 38,
"g": 58,
"b": 171
},
"hsl": {
"h": 230.977,
"s": 63.636,
"l": 40.98
},
"oklch": {
"l": 0.41285,
"c": 0.18068,
"h": 268.8
},
"luminance": 0.06378
}Semantic roles & 50–950 ramp
primary
#263AAB
secondary
#C5B768
accent
#CE41E7
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82