#263E87#263E87
#263E87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.126 H 266.7°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).
Color values
| HEX | #263E87 |
|---|---|
| RGB | rgb(38, 62, 135) |
| HSL | hsl(225, 56%, 34%) |
| HSV | hsv(225, 72%, 53%) |
| CMYK | cmyk(71.9%, 54.1%, 0%, 47.1%) |
| CIE-LAB | lab(28.40, 17.16, -43.65) |
| CIE-LCH | lch(28.40, 46.90, 291.45°) |
| OKLab | oklab(38.9% -0.0071 -0.1255) |
| OKLCH | oklch(38.9% 0.126 266.7) |
| XYZ | xyz(6.8936, 5.6059, 23.6357) |
| Luminance | 0.0561 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 4.06
Darkish Blue
#014182
ΔE00 4.55
Twilight Blue
#0A437A
ΔE00 5.52
Cobalt
#0047AB
ΔE00 5.84
Blueberry
#464196
ΔE00 5.92
Marine Blue
#01386A
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263E87 #876F26
analogous
#266F87 #263E87 #3F2687
triadic
#263E87 #87263E #3E8726
tetradic
#263E87 #87266F #876F26 #26873F
square
#263E87 #87266F #876F26 #26873F
split-complementary
#263E87 #873F26 #6F8726
monochromatic
#0B1227 #192857 #263E87 #3354B7 #5875D0
Accessibility & contrast
On white
9.90
#263E87 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.12
#263E87 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263E87
9.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263E87 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263E87 | 1.00 | 9.90 | 2.12 | 9.90 |
| #FFFFFF | 9.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0D488A
Deuteranopia (green-blind)
#003F86
Tritanopia (blue-blind)
#004F5C
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #263e87; /* rgb */ color: rgb(38, 62, 135); /* oklch */ color: oklch(38.9% 0.126 266.7);
Tailwind
colors: {
custom: {
50: '#6d72aa',
500: '#263e87',
950: '#000000',
},
}SCSS
$custom: #263e87; $custom-light: #6d72aa; $custom-dark: #000000;
JSON
{
"hex": "#263e87",
"rgb": {
"r": 38,
"g": 62,
"b": 135
},
"hsl": {
"h": 225.155,
"s": 56.069,
"l": 33.922
},
"oklch": {
"l": 0.38897,
"c": 0.1257,
"h": 266.7
},
"luminance": 0.05607
}Semantic roles & 50–950 ramp
primary
#263E87
secondary
#B59D54
accent
#BA48DF
background
#F7F6FA
surface
#EDECF4
border
#C8C7CE
text
#080810
muted
#7B7B7F