#2B83B8#2B83B8
#2B83B8 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.3% C 0.115 H 240.0°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).
Color values
| HEX | #2B83B8 |
|---|---|
| RGB | rgb(43, 131, 184) |
| HSL | hsl(203, 62%, 45%) |
| HSV | hsv(203, 77%, 72%) |
| CMYK | cmyk(76.6%, 28.8%, 0%, 27.8%) |
| CIE-LAB | lab(52.07, -7.54, -35.17) |
| CIE-LCH | lch(52.07, 35.97, 257.90°) |
| OKLab | oklab(58.3% -0.0575 -0.0995) |
| OKLCH | oklch(58.3% 0.115 240) |
| XYZ | xyz(17.7609, 20.2048, 48.3020) |
| Luminance | 0.2021 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.80
Steel Blue
#4682B4
ΔE00 3.05
Cerulean (survey)
#0485D1
ΔE00 3.39
Cool Blue
#4984B8
ΔE00 3.59
Nice Blue
#107AB0
ΔE00 3.62
Off Blue
#5684AE
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B83B8 #B8602B
analogous
#2BB8A7 #2B83B8 #2B3DB8
triadic
#2B83B8 #B82B83 #83B82B
tetradic
#2B83B8 #A72BB8 #B8602B #3DB82B
square
#2B83B8 #A72BB8 #B8602B #3DB82B
split-complementary
#2B83B8 #B82B3D #B8A72B
monochromatic
#143C55 #1F6086 #2B83B8 #4BA1D5 #7DBBE1
Accessibility & contrast
On white
4.17
#2B83B8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.04
#2B83B8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B83B8
5.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B83B8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B83B8 | 1.00 | 4.17 | 5.04 | 5.04 |
| #FFFFFF | 4.17 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A83BA
Deuteranopia (green-blind)
#5776B7
Tritanopia (blue-blind)
#009095
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #2b83b8; /* rgb */ color: rgb(43, 131, 184); /* oklch */ color: oklch(58.3% 0.115 240.0);
Tailwind
colors: {
custom: {
50: '#79a6cd',
500: '#2b83b8',
950: '#000000',
},
}SCSS
$custom: #2b83b8; $custom-light: #79a6cd; $custom-dark: #000000;
JSON
{
"hex": "#2b83b8",
"rgb": {
"r": 43,
"g": 131,
"b": 184
},
"hsl": {
"h": 202.553,
"s": 62.115,
"l": 44.51
},
"oklch": {
"l": 0.58299,
"c": 0.11493,
"h": 240
},
"luminance": 0.20207
}Semantic roles & 50–950 ramp
primary
#2B83B8
secondary
#C99576
accent
#8043E5
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A0F13
muted
#7C7F82