#263FA5#263FA5
#263FA5 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.167 H 267.7°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #263FA5 |
|---|---|
| RGB | rgb(38, 63, 165) |
| HSL | hsl(228, 63%, 40%) |
| HSV | hsv(228, 77%, 65%) |
| CMYK | cmyk(77%, 61.8%, 0%, 35.3%) |
| CIE-LAB | lab(31.07, 28.04, -57.63) |
| CIE-LCH | lch(31.07, 64.09, 295.95°) |
| OKLab | oklab(41.66% -0.0066 -0.1665) |
| OKLCH | oklch(41.66% 0.167 267.7) |
| XYZ | xyz(9.3660, 6.6827, 36.3863) |
| Luminance | 0.0668 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.40
Cobalt
#0047AB
ΔE00 4.02
Blue Blue
#2242C7
ΔE00 4.63
Blueberry
#464196
ΔE00 5.12
Cobalt (survey)
#1E488F
ΔE00 5.67
Ocean Blue
#4F42B5
ΔE00 6.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263FA5 #A58C26
analogous
#267FA5 #263FA5 #4D26A5
triadic
#263FA5 #A5263F #3FA526
tetradic
#263FA5 #A5267F #A58C26 #26A54D
square
#263FA5 #A5267F #A58C26 #26A54D
split-complementary
#263FA5 #A54D26 #7FA526
monochromatic
#0F1942 #1B2C73 #263FA5 #3755D1 #6980DC
Accessibility & contrast
On white
8.99
#263FA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#263FA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263FA5
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263FA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263FA5 | 1.00 | 8.99 | 2.34 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FA8
Deuteranopia (green-blind)
#0043A3
Tritanopia (blue-blind)
#00596C
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #263fa5; /* rgb */ color: rgb(38, 63, 165); /* oklch */ color: oklch(41.7% 0.167 267.7);
Tailwind
colors: {
custom: {
50: '#7573c1',
500: '#263fa5',
950: '#000000',
},
}SCSS
$custom: #263fa5; $custom-light: #7573c1; $custom-dark: #000000;
JSON
{
"hex": "#263fa5",
"rgb": {
"r": 38,
"g": 63,
"b": 165
},
"hsl": {
"h": 228.189,
"s": 62.562,
"l": 39.804
},
"oklch": {
"l": 0.41657,
"c": 0.16668,
"h": 267.7
},
"luminance": 0.06684
}Semantic roles & 50–950 ramp
primary
#263FA5
secondary
#C3B064
accent
#C542E6
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0812
muted
#7C7B81