#2B557B#2B557B
#2B557B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.7% C 0.079 H 247.9°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).
Color values
| HEX | #2B557B |
|---|---|
| RGB | rgb(43, 85, 123) |
| HSL | hsl(209, 48%, 33%) |
| HSV | hsv(209, 65%, 48%) |
| CMYK | cmyk(65%, 30.9%, 0%, 51.8%) |
| CIE-LAB | lab(34.88, -1.87, -25.87) |
| CIE-LCH | lch(34.88, 25.94, 265.87°) |
| OKLab | oklab(43.74% -0.0296 -0.073) |
| OKLCH | oklch(43.74% 0.079 247.9) |
| XYZ | xyz(7.8186, 8.4399, 19.9521) |
| Luminance | 0.0844 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 2.46
Light Navy
#155084
ΔE00 2.82
Deep Sea Blue
#015482
ΔE00 3.29
Dusk Blue
#26538D
ΔE00 3.32
Denim (survey)
#3B638C
ΔE00 5.08
Denim Blue
#3B5B92
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B557B #7B512B
analogous
#2B7B79 #2B557B #2B2D7B
triadic
#2B557B #7B2B55 #557B2B
tetradic
#2B557B #792B7B #7B512B #2D7B2B
square
#2B557B #792B7B #7B512B #2D7B2B
split-complementary
#2B557B #7B2B2D #7B792B
monochromatic
#0B1620 #1B364E #2B557B #3B74A8 #5B93C6
Accessibility & contrast
On white
7.81
#2B557B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.69
#2B557B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B557B
7.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B557B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B557B | 1.00 | 7.81 | 2.69 | 7.81 |
| #FFFFFF | 7.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#45567D
Deuteranopia (green-blind)
#3A4F7A
Tritanopia (blue-blind)
#005E62
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #2b557b; /* rgb */ color: rgb(43, 85, 123); /* oklch */ color: oklch(43.7% 0.079 247.9);
Tailwind
colors: {
custom: {
50: '#6d84a1',
500: '#2b557b',
950: '#000000',
},
}SCSS
$custom: #2b557b; $custom-light: #6d84a1; $custom-dark: #000000;
JSON
{
"hex": "#2b557b",
"rgb": {
"r": 43,
"g": 85,
"b": 123
},
"hsl": {
"h": 208.5,
"s": 48.193,
"l": 32.549
},
"oklch": {
"l": 0.43739,
"c": 0.07875,
"h": 247.9
},
"luminance": 0.08441
}Semantic roles & 50–950 ramp
primary
#2B557B
secondary
#AB7F56
accent
#9150D8
background
#F6F8F9
surface
#ECEFF2
border
#C7CACC
text
#070A0F
muted
#7A7C7E