#2F83AB#2F83AB
#2F83AB is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.7% C 0.100 H 233.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).
Color values
| HEX | #2F83AB |
|---|---|
| RGB | rgb(47, 131, 171) |
| HSL | hsl(199, 57%, 43%) |
| HSV | hsv(199, 73%, 67%) |
| CMYK | cmyk(72.5%, 23.4%, 0%, 32.9%) |
| CIE-LAB | lab(51.58, -11.61, -28.44) |
| CIE-LCH | lch(51.58, 30.72, 247.79°) |
| OKLab | oklab(57.75% -0.0599 -0.08) |
| OKLCH | oklch(57.75% 0.1 233.1) |
| XYZ | xyz(16.6363, 19.7753, 41.4604) |
| Luminance | 0.1978 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 3.59
Dirty Blue
#3F829D
ΔE00 3.73
Nice Blue
#107AB0
ΔE00 4.69
Steel Blue
#4682B4
ΔE00 5.20
Stormy Blue
#507B9C
ΔE00 5.52
Cool Blue
#4984B8
ΔE00 5.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F83AB #AB572F
analogous
#2FAB95 #2F83AB #2F45AB
triadic
#2F83AB #AB2F83 #83AB2F
tetradic
#2F83AB #952FAB #AB572F #45AB2F
square
#2F83AB #952FAB #AB572F #45AB2F
split-complementary
#2F83AB #AB2F45 #AB952F
monochromatic
#15394B #225E7B #2F83AB #4AA3CD #7ABBDA
Accessibility & contrast
On white
4.24
#2F83AB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.96
#2F83AB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2F83AB
4.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F83AB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2F83AB | 1.00 | 4.24 | 4.96 | 4.96 |
| #FFFFFF | 4.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F82AD
Deuteranopia (green-blind)
#5E76AA
Tritanopia (blue-blind)
#008E90
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #2f83ab; /* rgb */ color: rgb(47, 131, 171); /* oklch */ color: oklch(57.7% 0.100 233.1);
Tailwind
colors: {
custom: {
50: '#78a7c4',
500: '#2f83ab',
950: '#000000',
},
}SCSS
$custom: #2f83ab; $custom-light: #78a7c4; $custom-dark: #000000;
JSON
{
"hex": "#2f83ab",
"rgb": {
"r": 47,
"g": 131,
"b": 171
},
"hsl": {
"h": 199.355,
"s": 56.881,
"l": 42.745
},
"oklch": {
"l": 0.57749,
"c": 0.09994,
"h": 233.1
},
"luminance": 0.19777
}Semantic roles & 50–950 ramp
primary
#2F83AB
secondary
#C38D73
accent
#7948E0
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F12
muted
#7C7F81