#2B8BB5#2B8BB5
#2B8BB5 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.1% C 0.107 H 231.8°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).
Color values
| HEX | #2B8BB5 |
|---|---|
| RGB | rgb(43, 139, 181) |
| HSL | hsl(198, 62%, 44%) |
| HSV | hsv(198, 76%, 71%) |
| CMYK | cmyk(76.2%, 23.2%, 0%, 29%) |
| CIE-LAB | lab(54.36, -13.15, -29.88) |
| CIE-LCH | lch(54.36, 32.65, 246.24°) |
| OKLab | oklab(60.08% -0.0663 -0.0841) |
| OKLCH | oklch(60.08% 0.107 231.8) |
| XYZ | xyz(18.5660, 22.3128, 47.0354) |
| Luminance | 0.2231 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.05
Water Blue
#0E87CC
ΔE00 5.99
Cerulean
#007BA7
ΔE00 6.18
Steel Blue
#4682B4
ΔE00 6.33
Cool Blue
#4984B8
ΔE00 6.59
Dusty Blue
#5A86AD
ΔE00 6.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B8BB5 #B5552B
analogous
#2BB59A #2B8BB5 #2B46B5
triadic
#2B8BB5 #B52B8B #8BB52B
tetradic
#2B8BB5 #9A2BB5 #B5552B #46B52B
square
#2B8BB5 #9A2BB5 #B5552B #46B52B
split-complementary
#2B8BB5 #B52B46 #B59A2B
monochromatic
#143F52 #1F6584 #2B8BB5 #49AAD4 #7BC1E0
Accessibility & contrast
On white
3.84
#2B8BB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.46
#2B8BB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B8BB5
5.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B8BB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B8BB5 | 1.00 | 3.84 | 5.46 | 5.46 |
| #FFFFFF | 3.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.46 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.46 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7689B7
Deuteranopia (green-blind)
#637CB4
Tritanopia (blue-blind)
#009699
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #2b8bb5; /* rgb */ color: rgb(43, 139, 181); /* oklch */ color: oklch(60.1% 0.107 231.8);
Tailwind
colors: {
custom: {
50: '#79accb',
500: '#2b8bb5',
950: '#000000',
},
}SCSS
$custom: #2b8bb5; $custom-light: #79accb; $custom-dark: #000000;
JSON
{
"hex": "#2b8bb5",
"rgb": {
"r": 43,
"g": 139,
"b": 181
},
"hsl": {
"h": 198.261,
"s": 61.607,
"l": 43.922
},
"oklch": {
"l": 0.60076,
"c": 0.10707,
"h": 231.8
},
"luminance": 0.22315
}Semantic roles & 50–950 ramp
primary
#2B8BB5
secondary
#C88E74
accent
#7443E5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82