#263F5A#263F5A
#263F5A is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.056 H 251.4°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).
Color values
| HEX | #263F5A |
|---|---|
| RGB | rgb(38, 63, 90) |
| HSL | hsl(211, 41%, 25%) |
| HSV | hsv(211, 58%, 35%) |
| CMYK | cmyk(57.8%, 30%, 0%, 64.7%) |
| CIE-LAB | lab(25.88, -0.68, -19.06) |
| CIE-LCH | lch(25.88, 19.07, 267.96°) |
| OKLab | oklab(36.04% -0.018 -0.0535) |
| OKLCH | oklch(36.04% 0.056 251.4) |
| XYZ | xyz(4.4217, 4.7049, 10.3460) |
| Luminance | 0.0471 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 4.41
Dark Slate Blue
#214761
ΔE00 4.45
Dark Blue Grey
#1F3B4D
ΔE00 5.17
Marine Blue
#01386A
ΔE00 5.43
Twilight Blue
#0A437A
ΔE00 5.89
Prussian Blue
#004577
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263F5A #5A4126
analogous
#26595A #263F5A #27265A
triadic
#263F5A #5A263F #3F5A26
tetradic
#263F5A #5A2659 #5A4126 #265A27
square
#263F5A #5A2659 #5A4126 #265A27
split-complementary
#263F5A #5A2726 #595A26
monochromatic
#090F16 #14212F #263F5A #385D85 #4A7BB0
Accessibility & contrast
On white
10.82
#263F5A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#263F5A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263F5A
10.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263F5A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263F5A | 1.00 | 10.82 | 1.94 | 10.82 |
| #FFFFFF | 10.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#34405B
Deuteranopia (green-blind)
#2D3B59
Tritanopia (blue-blind)
#074548
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #263f5a; /* rgb */ color: rgb(38, 63, 90); /* oklch */ color: oklch(36.0% 0.056 251.4);
Tailwind
colors: {
custom: {
50: '#657388',
500: '#263f5a',
950: '#000000',
},
}SCSS
$custom: #263f5a; $custom-light: #657388; $custom-dark: #000000;
JSON
{
"hex": "#263f5a",
"rgb": {
"r": 38,
"g": 63,
"b": 90
},
"hsl": {
"h": 211.154,
"s": 40.625,
"l": 25.098
},
"oklch": {
"l": 0.36042,
"c": 0.05644,
"h": 251.4
},
"luminance": 0.04705
}Semantic roles & 50–950 ramp
primary
#263F5A
secondary
#8D6F4F
accent
#9657D0
background
#F6F7F8
surface
#EBEDF0
border
#C6C8CB
text
#06080B
muted
#7A7B7C