#263CAB#263CAB
#263CAB is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.178 H 268.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).
Color values
| HEX | #263CAB |
|---|---|
| RGB | rgb(38, 60, 171) |
| HSL | hsl(230, 64%, 41%) |
| HSV | hsv(230, 78%, 67%) |
| CMYK | cmyk(77.8%, 64.9%, 0%, 32.9%) |
| CIE-LAB | lab(30.84, 32.28, -61.62) |
| CIE-LCH | lch(30.84, 69.56, 297.65°) |
| OKLab | oklab(41.65% -0.0049 -0.1783) |
| OKLCH | oklch(41.65% 0.178 268.4) |
| XYZ | xyz(9.7633, 6.5830, 39.2763) |
| Luminance | 0.0658 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.16
Blue Blue
#2242C7
ΔE00 4.01
Cobalt
#0047AB
ΔE00 5.03
Blueberry
#464196
ΔE00 5.41
Ocean Blue
#4F42B5
ΔE00 5.57
Blue (survey)
#0343DF
ΔE00 6.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263CAB #AB9526
analogous
#267EAB #263CAB #5226AB
triadic
#263CAB #AB263C #3CAB26
tetradic
#263CAB #AB267E #AB9526 #26AB52
square
#263CAB #AB267E #AB9526 #26AB52
split-complementary
#263CAB #AB5226 #7EAB26
monochromatic
#101947 #1B2A79 #263CAB #3B54D3 #6D80DF
Accessibility & contrast
On white
9.06
#263CAB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.32
#263CAB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263CAB
9.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263CAB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263CAB | 1.00 | 9.06 | 2.32 | 9.06 |
| #FFFFFF | 9.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FAF
Deuteranopia (green-blind)
#0042A9
Tritanopia (blue-blind)
#00596E
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #263cab; /* rgb */ color: rgb(38, 60, 171); /* oklch */ color: oklch(41.6% 0.178 268.4);
Tailwind
colors: {
custom: {
50: '#7671c5',
500: '#263cab',
950: '#000000',
},
}SCSS
$custom: #263cab; $custom-light: #7671c5; $custom-dark: #000000;
JSON
{
"hex": "#263cab",
"rgb": {
"r": 38,
"g": 60,
"b": 171
},
"hsl": {
"h": 230.075,
"s": 63.636,
"l": 40.98
},
"oklch": {
"l": 0.41646,
"c": 0.17833,
"h": 268.4
},
"luminance": 0.06584
}Semantic roles & 50–950 ramp
primary
#263CAB
secondary
#C5B668
accent
#CB41E7
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82