#2B404C#2B404C
#2B404C is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.034 H 234.0°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).
Color values
| HEX | #2B404C |
|---|---|
| RGB | rgb(43, 64, 76) |
| HSL | hsl(202, 28%, 23%) |
| HSV | hsv(202, 43%, 30%) |
| CMYK | cmyk(43.4%, 15.8%, 0%, 70.2%) |
| CIE-LAB | lab(25.87, -4.63, -9.89) |
| CIE-LCH | lch(25.87, 10.92, 244.91°) |
| OKLab | oklab(35.9% -0.0198 -0.0273) |
| OKLCH | oklch(35.9% 0.034 234) |
| XYZ | xyz(4.1337, 4.7019, 7.5258) |
| Luminance | 0.0470 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Charcoal
#36454F
ΔE00 2.70
Dark Blue Grey
#1F3B4D
ΔE00 3.29
Dark Grey Blue
#29465B
ΔE00 4.28
Gunmetal
#2A3439
ΔE00 5.51
Dark Slate Blue
#214761
ΔE00 6.02
Charcoal Grey
#3C4142
ΔE00 7.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B404C #4C372B
analogous
#2B4C47 #2B404C #2B2F4C
triadic
#2B404C #4C2B40 #404C2B
tetradic
#2B404C #472B4C #4C372B #2F4C2B
square
#2B404C #472B4C #4C372B #2F4C2B
split-complementary
#2B404C #4C2B2F #4C472B
monochromatic
#0B1014 #151F25 #2B404C #416173 #57829A
Accessibility & contrast
On white
10.82
#2B404C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#2B404C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B404C
10.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B404C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B404C | 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)
#3A3F4D
Deuteranopia (green-blind)
#363C4C
Tritanopia (blue-blind)
#1F4344
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #2b404c; /* rgb */ color: rgb(43, 64, 76); /* oklch */ color: oklch(35.9% 0.034 234.0);
Tailwind
colors: {
custom: {
50: '#66747e',
500: '#2b404c',
950: '#000000',
},
}SCSS
$custom: #2b404c; $custom-light: #66747e; $custom-dark: #000000;
JSON
{
"hex": "#2b404c",
"rgb": {
"r": 43,
"g": 64,
"b": 76
},
"hsl": {
"h": 201.818,
"s": 27.731,
"l": 23.333
},
"oklch": {
"l": 0.35904,
"c": 0.03369,
"h": 234
},
"luminance": 0.04702
}Semantic roles & 50–950 ramp
primary
#2B404C
secondary
#7E6455
accent
#8764C4
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#060809
muted
#7A7B7B