#2B537F#2B537F
#2B537F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.086 H 252.4°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).
Color values
| HEX | #2B537F |
|---|---|
| RGB | rgb(43, 83, 127) |
| HSL | hsl(211, 49%, 33%) |
| HSV | hsv(211, 66%, 50%) |
| CMYK | cmyk(66.1%, 34.6%, 0%, 50.2%) |
| CIE-LAB | lab(34.46, 0.88, -29.00) |
| CIE-LCH | lch(34.46, 29.02, 271.73°) |
| OKLab | oklab(43.48% -0.0261 -0.0821) |
| OKLCH | oklch(43.48% 0.086 252.4) |
| XYZ | xyz(7.9189, 8.2316, 21.2461) |
| Luminance | 0.0823 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.99
Light Navy
#155084
ΔE00 2.27
Light Navy Blue
#2E5A88
ΔE00 2.49
Deep Sea Blue
#015482
ΔE00 4.25
Denim Blue
#3B5B92
ΔE00 4.27
Cobalt (survey)
#1E488F
ΔE00 4.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B537F #7F572B
analogous
#2B7D7F #2B537F #2D2B7F
triadic
#2B537F #7F2B53 #537F2B
tetradic
#2B537F #7F2B7D #7F572B #2B7F2D
square
#2B537F #7F2B7D #7F572B #2B7F2D
split-complementary
#2B537F #7F2D2B #7D7F2B
monochromatic
#0C1724 #1C3551 #2B537F #3A71AD #5C90C8
Accessibility & contrast
On white
7.94
#2B537F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#2B537F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B537F
7.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B537F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B537F | 1.00 | 7.94 | 2.65 | 7.94 |
| #FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#405581
Deuteranopia (green-blind)
#344D7E
Tritanopia (blue-blind)
#005D63
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2b537f; /* rgb */ color: rgb(43, 83, 127); /* oklch */ color: oklch(43.5% 0.086 252.4);
Tailwind
colors: {
custom: {
50: '#6d83a4',
500: '#2b537f',
950: '#000000',
},
}SCSS
$custom: #2b537f; $custom-light: #6d83a4; $custom-dark: #000000;
JSON
{
"hex": "#2b537f",
"rgb": {
"r": 43,
"g": 83,
"b": 127
},
"hsl": {
"h": 211.429,
"s": 49.412,
"l": 33.333
},
"oklch": {
"l": 0.43476,
"c": 0.08614,
"h": 252.4
},
"luminance": 0.08232
}Semantic roles & 50–950 ramp
primary
#2B537F
secondary
#AE8558
accent
#974FD9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A0F
muted
#7B7C7F