#2B404B#2B404B
#2B404B is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.033 H 231.7°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2B404B |
|---|---|
| RGB | rgb(43, 64, 75) |
| HSL | hsl(201, 27%, 23%) |
| HSV | hsv(201, 43%, 29%) |
| CMYK | cmyk(42.7%, 14.7%, 0%, 70.6%) |
| CIE-LAB | lab(25.83, -4.95, -9.30) |
| CIE-LCH | lch(25.83, 10.53, 241.99°) |
| OKLab | oklab(35.86% -0.0202 -0.0256) |
| OKLCH | oklch(35.86% 0.033 231.7) |
| XYZ | xyz(4.0992, 4.6881, 7.3441) |
| Luminance | 0.0469 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Charcoal
#36454F
ΔE00 2.78
Dark Blue Grey
#1F3B4D
ΔE00 3.72
Dark Grey Blue
#29465B
ΔE00 4.77
Gunmetal
#2A3439
ΔE00 5.34
Dark Slate Blue
#214761
ΔE00 6.48
Charcoal Grey
#3C4142
ΔE00 7.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B404B #4B362B
analogous
#2B4B46 #2B404B #2B304B
triadic
#2B404B #4B2B40 #404B2B
tetradic
#2B404B #462B4B #4B362B #304B2B
square
#2B404B #462B4B #4B362B #304B2B
split-complementary
#2B404B #4B2B30 #4B462B
monochromatic
#0B1113 #151F24 #2B404B #416172 #588299
Accessibility & contrast
On white
10.84
#2B404B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#2B404B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B404B
10.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B404B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B404B | 1.00 | 10.84 | 1.94 | 10.84 |
| #FFFFFF | 10.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B3F4C
Deuteranopia (green-blind)
#363C4B
Tritanopia (blue-blind)
#1F4343
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #2b404b; /* rgb */ color: rgb(43, 64, 75); /* oklch */ color: oklch(35.9% 0.033 231.7);
Tailwind
colors: {
custom: {
50: '#66747d',
500: '#2b404b',
950: '#000000',
},
}SCSS
$custom: #2b404b; $custom-light: #66747d; $custom-dark: #000000;
JSON
{
"hex": "#2b404b",
"rgb": {
"r": 43,
"g": 64,
"b": 75
},
"hsl": {
"h": 200.625,
"s": 27.119,
"l": 23.137
},
"oklch": {
"l": 0.35858,
"c": 0.03263,
"h": 231.7
},
"luminance": 0.04688
}Semantic roles & 50–950 ramp
primary
#2B404B
secondary
#7D6355
accent
#8564C3
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#060809
muted
#7A7B7B