#263D5E#263D5E
#263D5E is a dark, moderate blue. Relative luminance 0.046; OKLCH L 35.8% C 0.065 H 257.4°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #263D5E |
|---|---|
| RGB | rgb(38, 61, 94) |
| HSL | hsl(215, 42%, 26%) |
| HSV | hsv(215, 60%, 37%) |
| CMYK | cmyk(59.6%, 35.1%, 0%, 63.1%) |
| CIE-LAB | lab(25.43, 2.12, -22.36) |
| CIE-LCH | lch(25.43, 22.46, 275.42°) |
| OKLab | oklab(35.77% -0.014 -0.063) |
| OKLCH | oklch(35.77% 0.065 257.4) |
| XYZ | xyz(4.4878, 4.5573, 11.2307) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine Blue
#01386A
ΔE00 4.52
Twilight Blue
#0A437A
ΔE00 5.59
Marine
#042E60
ΔE00 5.72
Darkish Blue
#014182
ΔE00 6.19
Prussian Blue
#004577
ΔE00 6.20
Navy Blue
#1B2A4A
ΔE00 6.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263D5E #5E4726
analogous
#26595E #263D5E #2B265E
triadic
#263D5E #5E263D #3D5E26
tetradic
#263D5E #5E2659 #5E4726 #265E2B
square
#263D5E #5E2659 #5E4726 #265E2B
split-complementary
#263D5E #5E2B26 #595E26
monochromatic
#090E16 #142132 #263D5E #38598A #4976B5
Accessibility & contrast
On white
10.99
#263D5E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#263D5E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263D5E
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263D5E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263D5E | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#303F5F
Deuteranopia (green-blind)
#293A5D
Tritanopia (blue-blind)
#024449
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #263d5e; /* rgb */ color: rgb(38, 61, 94); /* oklch */ color: oklch(35.8% 0.065 257.4);
Tailwind
colors: {
custom: {
50: '#65728c',
500: '#263d5e',
950: '#000000',
},
}SCSS
$custom: #263d5e; $custom-light: #65728c; $custom-dark: #000000;
JSON
{
"hex": "#263d5e",
"rgb": {
"r": 38,
"g": 61,
"b": 94
},
"hsl": {
"h": 215.357,
"s": 42.424,
"l": 25.882
},
"oklch": {
"l": 0.35765,
"c": 0.0646,
"h": 257.4
},
"luminance": 0.04558
}Semantic roles & 50–950 ramp
primary
#263D5E
secondary
#91764F
accent
#9F56D2
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#06070C
muted
#7A7A7D