#2B7FB3#2B7FB3
#2B7FB3 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.112 H 240.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).
Color values
| HEX | #2B7FB3 |
|---|---|
| RGB | rgb(43, 127, 179) |
| HSL | hsl(203, 61%, 44%) |
| HSV | hsv(203, 76%, 70%) |
| CMYK | cmyk(76%, 29.1%, 0%, 29.8%) |
| CIE-LAB | lab(50.62, -7.01, -34.56) |
| CIE-LCH | lch(50.62, 35.27, 258.53°) |
| OKLab | oklab(57.08% -0.0553 -0.0978) |
| OKLCH | oklch(57.08% 0.112 240.5) |
| XYZ | xyz(16.7191, 18.9450, 45.4147) |
| Luminance | 0.1895 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.30
Steel Blue
#4682B4
ΔE00 3.14
Water Blue
#0E87CC
ΔE00 3.90
Cool Blue
#4984B8
ΔE00 3.96
Cerulean (survey)
#0485D1
ΔE00 4.11
Cerulean
#007BA7
ΔE00 4.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B7FB3 #B35F2B
analogous
#2BB3A3 #2B7FB3 #2B3BB3
triadic
#2B7FB3 #B32B7F #7FB32B
tetradic
#2B7FB3 #A32BB3 #B35F2B #3BB32B
square
#2B7FB3 #A32BB3 #B35F2B #3BB32B
split-complementary
#2B7FB3 #B32B3B #B3A32B
monochromatic
#133950 #1F5C82 #2B7FB3 #489ED3 #79B8DF
Accessibility & contrast
On white
4.38
#2B7FB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.79
#2B7FB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B7FB3
4.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B7FB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B7FB3 | 1.00 | 4.38 | 4.79 | 4.79 |
| #FFFFFF | 4.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6780B5
Deuteranopia (green-blind)
#5473B2
Tritanopia (blue-blind)
#008C91
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #2b7fb3; /* rgb */ color: rgb(43, 127, 179); /* oklch */ color: oklch(57.1% 0.112 240.5);
Tailwind
colors: {
custom: {
50: '#78a4ca',
500: '#2b7fb3',
950: '#000000',
},
}SCSS
$custom: #2b7fb3; $custom-light: #78a4ca; $custom-dark: #000000;
JSON
{
"hex": "#2b7fb3",
"rgb": {
"r": 43,
"g": 127,
"b": 179
},
"hsl": {
"h": 202.941,
"s": 61.261,
"l": 43.529
},
"oklch": {
"l": 0.57076,
"c": 0.11233,
"h": 240.5
},
"luminance": 0.18947
}Semantic roles & 50–950 ramp
primary
#2B7FB3
secondary
#C79373
accent
#8143E4
background
#F7FAFC
surface
#EEF3F8
border
#C9CDD1
text
#0A0F13
muted
#7C7F82