#2B647B#2B647B
#2B647B is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.5% C 0.070 H 227.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).
Color values
| HEX | #2B647B |
|---|---|
| RGB | rgb(43, 100, 123) |
| HSL | hsl(197, 48%, 33%) |
| HSV | hsv(197, 65%, 48%) |
| CMYK | cmyk(65%, 18.7%, 0%, 51.8%) |
| CIE-LAB | lab(39.68, -11.02, -18.43) |
| CIE-LCH | lch(39.68, 21.47, 239.12°) |
| OKLab | oklab(47.54% -0.0471 -0.0514) |
| OKLCH | oklch(47.54% 0.07 227.5) |
| XYZ | xyz(9.1272, 11.0571, 20.3883) |
| Luminance | 0.1106 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 5.59
Sea Blue
#047495
ΔE00 6.32
Peacock Blue
#016795
ΔE00 6.66
Ocean Blue (survey)
#03719C
ΔE00 7.09
Slate
#516572
ΔE00 7.50
Petrol
#005F6A
ΔE00 7.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B647B #7B422B
analogous
#2B7B6A #2B647B #2B3C7B
triadic
#2B647B #7B2B64 #647B2B
tetradic
#2B647B #6A2B7B #7B422B #3C7B2B
square
#2B647B #6A2B7B #7B422B #3C7B2B
split-complementary
#2B647B #7B2B3C #7B6A2B
monochromatic
#0B1A20 #1B3F4E #2B647B #3B89A8 #5BA7C6
Accessibility & contrast
On white
6.54
#2B647B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.21
#2B647B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B647B
6.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B647B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B647B | 1.00 | 6.54 | 3.21 | 6.54 |
| #FFFFFF | 6.54 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.54 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#58627C
Deuteranopia (green-blind)
#4D5A7B
Tritanopia (blue-blind)
#006B6B
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #2b647b; /* rgb */ color: rgb(43, 100, 123); /* oklch */ color: oklch(47.5% 0.070 227.5);
Tailwind
colors: {
custom: {
50: '#6d90a1',
500: '#2b647b',
950: '#000000',
},
}SCSS
$custom: #2b647b; $custom-light: #6d90a1; $custom-dark: #000000;
JSON
{
"hex": "#2b647b",
"rgb": {
"r": 43,
"g": 100,
"b": 123
},
"hsl": {
"h": 197.25,
"s": 48.193,
"l": 32.549
},
"oklch": {
"l": 0.4754,
"c": 0.06975,
"h": 227.5
},
"luminance": 0.11058
}Semantic roles & 50–950 ramp
primary
#2B647B
secondary
#AB6F56
accent
#7750D8
background
#F6F8F9
surface
#ECF0F2
border
#C7CBCC
text
#080C0F
muted
#7B7D7E