#263C9E#263C9E
#263C9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.161 H 268.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).
Color values
| HEX | #263C9E |
|---|---|
| RGB | rgb(38, 60, 158) |
| HSL | hsl(229, 61%, 38%) |
| HSV | hsv(229, 76%, 62%) |
| CMYK | cmyk(75.9%, 62%, 0%, 38%) |
| CIE-LAB | lab(29.69, 27.39, -55.66) |
| CIE-LCH | lch(29.69, 62.03, 296.20°) |
| OKLab | oklab(40.45% -0.0046 -0.1608) |
| OKLCH | oklch(40.45% 0.161 268.4) |
| XYZ | xyz(8.5846, 6.1115, 33.0683) |
| Luminance | 0.0611 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.37
Blueberry
#464196
ΔE00 4.86
Cobalt
#0047AB
ΔE00 4.88
Blue Blue
#2242C7
ΔE00 5.72
Cobalt (survey)
#1E488F
ΔE00 5.89
Darkslateblue
#483D8B
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263C9E #9E8826
analogous
#26789E #263C9E #4C269E
triadic
#263C9E #9E263C #3C9E26
tetradic
#263C9E #9E2678 #9E8826 #269E4C
square
#263C9E #9E2678 #9E8826 #269E4C
split-complementary
#263C9E #9E4C26 #789E26
monochromatic
#0E173B #1A296D #263C9E #3350CE #657ADA
Accessibility & contrast
On white
9.45
#263C9E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.22
#263C9E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263C9E
9.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263C9E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263C9E | 1.00 | 9.45 | 2.22 | 9.45 |
| #FFFFFF | 9.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CA1
Deuteranopia (green-blind)
#00409C
Tritanopia (blue-blind)
#005567
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #263c9e; /* rgb */ color: rgb(38, 60, 158); /* oklch */ color: oklch(40.4% 0.161 268.4);
Tailwind
colors: {
custom: {
50: '#7371bc',
500: '#263c9e',
950: '#000000',
},
}SCSS
$custom: #263c9e; $custom-light: #7371bc; $custom-dark: #000000;
JSON
{
"hex": "#263c9e",
"rgb": {
"r": 38,
"g": 60,
"b": 158
},
"hsl": {
"h": 229,
"s": 61.224,
"l": 38.431
},
"oklch": {
"l": 0.40447,
"c": 0.16087,
"h": 268.4
},
"luminance": 0.06112
}Semantic roles & 50–950 ramp
primary
#263C9E
secondary
#C0AE60
accent
#C743E4
background
#F7F6FB
surface
#EEECF6
border
#C9C7D0
text
#090712
muted
#7B7A81