#2A83B3#2A83B3
#2A83B3 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.0% C 0.110 H 237.1°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #2A83B3 |
|---|---|
| RGB | rgb(42, 131, 179) |
| HSL | hsl(201, 62%, 43%) |
| HSV | hsv(201, 77%, 70%) |
| CMYK | cmyk(76.5%, 26.8%, 0%, 29.8%) |
| CIE-LAB | lab(51.81, -9.45, -32.70) |
| CIE-LCH | lch(51.81, 34.04, 253.88°) |
| OKLab | oklab(58.01% -0.0597 -0.0923) |
| OKLCH | oklch(58.01% 0.11 237.1) |
| XYZ | xyz(17.2046, 19.9775, 45.5884) |
| Luminance | 0.1998 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 3.64
Steel Blue
#4682B4
ΔE00 3.87
Water Blue
#0E87CC
ΔE00 3.93
Cerulean
#007BA7
ΔE00 4.07
Cool Blue
#4984B8
ΔE00 4.49
Cerulean (survey)
#0485D1
ΔE00 4.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A83B3 #B35A2A
analogous
#2AB39E #2A83B3 #2A3EB3
triadic
#2A83B3 #B32A83 #83B32A
tetradic
#2A83B3 #9E2AB3 #B35A2A #3EB32A
square
#2A83B3 #9E2AB3 #B35A2A #3EB32A
split-complementary
#2A83B3 #B32A3E #B39E2A
monochromatic
#133A50 #1E5F81 #2A83B3 #46A2D4 #78BBDF
Accessibility & contrast
On white
4.20
#2A83B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.00
#2A83B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2A83B3
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A83B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2A83B3 | 1.00 | 4.20 | 5.00 | 5.00 |
| #FFFFFF | 4.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C83B5
Deuteranopia (green-blind)
#5A76B2
Tritanopia (blue-blind)
#008F94
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #2a83b3; /* rgb */ color: rgb(42, 131, 179); /* oklch */ color: oklch(58.0% 0.110 237.1);
Tailwind
colors: {
custom: {
50: '#78a7ca',
500: '#2a83b3',
950: '#000000',
},
}SCSS
$custom: #2a83b3; $custom-light: #78a7ca; $custom-dark: #000000;
JSON
{
"hex": "#2a83b3",
"rgb": {
"r": 42,
"g": 131,
"b": 179
},
"hsl": {
"h": 201.022,
"s": 61.991,
"l": 43.333
},
"oklch": {
"l": 0.58013,
"c": 0.10994,
"h": 237.1
},
"luminance": 0.1998
}Semantic roles & 50–950 ramp
primary
#2A83B3
secondary
#C79072
accent
#7C43E5
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82