#2A83B1#2A83B1
#2A83B1 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.108 H 236.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).
Color values
| HEX | #2A83B1 |
|---|---|
| RGB | rgb(42, 131, 177) |
| HSL | hsl(200, 62%, 43%) |
| HSV | hsv(200, 76%, 69%) |
| CMYK | cmyk(76.3%, 26%, 0%, 30.6%) |
| CIE-LAB | lab(51.72, -10.17, -31.70) |
| CIE-LCH | lch(51.72, 33.29, 252.22°) |
| OKLab | oklab(57.91% -0.0604 -0.0894) |
| OKLCH | oklch(57.91% 0.108 236) |
| XYZ | xyz(17.0038, 19.8971, 44.5308) |
| Luminance | 0.1990 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 3.78
Nice Blue
#107AB0
ΔE00 3.81
Steel Blue
#4682B4
ΔE00 4.25
Water Blue
#0E87CC
ΔE00 4.46
Cool Blue
#4984B8
ΔE00 4.89
Dirty Blue
#3F829D
ΔE00 5.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A83B1 #B1582A
analogous
#2AB19B #2A83B1 #2A40B1
triadic
#2A83B1 #B12A83 #83B12A
tetradic
#2A83B1 #9B2AB1 #B1582A #40B12A
square
#2A83B1 #9B2AB1 #B1582A #40B12A
split-complementary
#2A83B1 #B12A40 #B19B2A
monochromatic
#133A4E #1E5E80 #2A83B1 #45A3D3 #77BBDF
Accessibility & contrast
On white
4.22
#2A83B1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.98
#2A83B1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2A83B1
4.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A83B1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2A83B1 | 1.00 | 4.22 | 4.98 | 4.98 |
| #FFFFFF | 4.22 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.98 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.98 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D82B3
Deuteranopia (green-blind)
#5B76B0
Tritanopia (blue-blind)
#008F93
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #2a83b1; /* rgb */ color: rgb(42, 131, 177); /* oklch */ color: oklch(57.9% 0.108 236.0);
Tailwind
colors: {
custom: {
50: '#77a7c8',
500: '#2a83b1',
950: '#000000',
},
}SCSS
$custom: #2a83b1; $custom-light: #77a7c8; $custom-dark: #000000;
JSON
{
"hex": "#2a83b1",
"rgb": {
"r": 42,
"g": 131,
"b": 177
},
"hsl": {
"h": 200.444,
"s": 61.644,
"l": 42.941
},
"oklch": {
"l": 0.5791,
"c": 0.10788,
"h": 236
},
"luminance": 0.19899
}Semantic roles & 50–950 ramp
primary
#2A83B1
secondary
#C68E70
accent
#7A43E5
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82