#263B4C#263B4C
#263B4C is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.040 H 243.7°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).
Color values
| HEX | #263B4C |
|---|---|
| RGB | rgb(38, 59, 76) |
| HSL | hsl(207, 33%, 22%) |
| HSV | hsv(207, 50%, 30%) |
| CMYK | cmyk(50%, 22.4%, 0%, 70.2%) |
| CIE-LAB | lab(23.87, -2.91, -12.97) |
| CIE-LCH | lch(23.87, 13.29, 257.34°) |
| OKLab | oklab(34.24% -0.0178 -0.036) |
| OKLCH | oklch(34.24% 0.04 243.7) |
| XYZ | xyz(3.6674, 4.0616, 7.4268) |
| Luminance | 0.0406 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 1.82
Dark Grey Blue
#29465B
ΔE00 3.91
Charcoal
#36454F
ΔE00 4.82
Dark Slate Blue
#214761
ΔE00 5.21
Gunmetal
#2A3439
ΔE00 6.37
Dark
#1B2431
ΔE00 8.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263B4C #4C3726
analogous
#264C4A #263B4C #26284C
triadic
#263B4C #4C263B #3B4C26
tetradic
#263B4C #4A264C #4C3726 #284C26
square
#263B4C #4A264C #4C3726 #284C26
split-complementary
#263B4C #4C2628 #4C4A26
monochromatic
#0A1014 #121B23 #263B4C #3A5B75 #4F7A9E
Accessibility & contrast
On white
11.59
#263B4C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.81
#263B4C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263B4C
11.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263B4C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263B4C | 1.00 | 11.59 | 1.81 | 11.59 |
| #FFFFFF | 11.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#343B4D
Deuteranopia (green-blind)
#2F374C
Tritanopia (blue-blind)
#163F41
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #263b4c; /* rgb */ color: rgb(38, 59, 76); /* oklch */ color: oklch(34.2% 0.040 243.7);
Tailwind
colors: {
custom: {
50: '#63707e',
500: '#263b4c',
950: '#000000',
},
}SCSS
$custom: #263b4c; $custom-light: #63707e; $custom-dark: #000000;
JSON
{
"hex": "#263b4c",
"rgb": {
"r": 38,
"g": 59,
"b": 76
},
"hsl": {
"h": 206.842,
"s": 33.333,
"l": 22.353
},
"oklch": {
"l": 0.34243,
"c": 0.04015,
"h": 243.7
},
"luminance": 0.04062
}Semantic roles & 50–950 ramp
primary
#263B4C
secondary
#7F644F
accent
#8E5EC9
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#050709
muted
#797A7B