#2B4F64#2B4F64
#2B4F64 is a dark, muted cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.055 H 235.8°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4F64 |
|---|---|
| RGB | rgb(43, 79, 100) |
| HSL | hsl(202, 40%, 28%) |
| HSV | hsv(202, 57%, 39%) |
| CMYK | cmyk(57%, 21%, 0%, 60.8%) |
| CIE-LAB | lab(31.86, -6.22, -16.18) |
| CIE-LCH | lch(31.86, 17.34, 248.99°) |
| OKLab | oklab(41% -0.0306 -0.0451) |
| OKLCH | oklch(41% 0.055 235.8) |
| XYZ | xyz(6.0916, 7.0251, 13.0891) |
| Luminance | 0.0703 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 3.38
Dark Slate Blue
#214761
ΔE00 3.51
Charcoal
#36454F
ΔE00 6.31
Dark Blue Grey
#1F3B4D
ΔE00 6.56
Deep Sea Blue
#015482
ΔE00 6.94
Light Navy
#155084
ΔE00 7.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4F64 #64402B
analogous
#2B645C #2B4F64 #2B3264
triadic
#2B4F64 #642B4F #4F642B
tetradic
#2B4F64 #5C2B64 #64402B #32642B
square
#2B4F64 #5C2B64 #64402B #32642B
split-complementary
#2B4F64 #642B32 #645C2B
monochromatic
#091115 #192D39 #2B4F64 #3D718F #5492B5
Accessibility & contrast
On white
8.73
#2B4F64 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#2B4F64 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4F64
8.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4F64 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4F64 | 1.00 | 8.73 | 2.41 | 8.73 |
| #FFFFFF | 8.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#454E65
Deuteranopia (green-blind)
#3D4864
Tritanopia (blue-blind)
#055456
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #2b4f64; /* rgb */ color: rgb(43, 79, 100); /* oklch */ color: oklch(41.0% 0.055 235.8);
Tailwind
colors: {
custom: {
50: '#698090',
500: '#2b4f64',
950: '#000000',
},
}SCSS
$custom: #2b4f64; $custom-light: #698090; $custom-dark: #000000;
JSON
{
"hex": "#2b4f64",
"rgb": {
"r": 43,
"g": 79,
"b": 100
},
"hsl": {
"h": 202.105,
"s": 39.86,
"l": 28.039
},
"oklch": {
"l": 0.40996,
"c": 0.05452,
"h": 235.8
},
"luminance": 0.07026
}Semantic roles & 50–950 ramp
primary
#2B4F64
secondary
#966D55
accent
#8458D0
background
#F6F7F8
surface
#EBEEF0
border
#C6C9CB
text
#070A0C
muted
#7A7C7D