#3183AE#3183AE
#3183AE is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.0% C 0.102 H 235.5°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3183AE |
|---|---|
| RGB | rgb(49, 131, 174) |
| HSL | hsl(201, 56%, 44%) |
| HSV | hsv(201, 72%, 68%) |
| CMYK | cmyk(71.8%, 24.7%, 0%, 31.8%) |
| CIE-LAB | lab(51.77, -10.28, -29.88) |
| CIE-LCH | lch(51.77, 31.60, 251.01°) |
| OKLab | oklab(57.96% -0.0578 -0.0841) |
| OKLCH | oklch(57.96% 0.102 235.5) |
| XYZ | xyz(17.0199, 19.9396, 42.9879) |
| Luminance | 0.1994 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 3.84
Nice Blue
#107AB0
ΔE00 4.13
Steel Blue
#4682B4
ΔE00 4.25
Dirty Blue
#3F829D
ΔE00 4.63
Cool Blue
#4984B8
ΔE00 4.90
Water Blue
#0E87CC
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3183AE #AE5C31
analogous
#31AE9A #3183AE #3144AE
triadic
#3183AE #AE3183 #83AE31
tetradic
#3183AE #9A31AE #AE5C31 #44AE31
square
#3183AE #9A31AE #AE5C31 #44AE31
split-complementary
#3183AE #AE3144 #AE9A31
monochromatic
#163B4E #245F7E #3183AE #4FA2CD #7FBBDB
Accessibility & contrast
On white
4.21
#3183AE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#3183AE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3183AE
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3183AE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3183AE | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E82B0
Deuteranopia (green-blind)
#5D76AD
Tritanopia (blue-blind)
#008E92
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #3183ae; /* rgb */ color: rgb(49, 131, 174); /* oklch */ color: oklch(58.0% 0.102 235.5);
Tailwind
colors: {
custom: {
50: '#79a7c6',
500: '#3183ae',
950: '#000000',
},
}SCSS
$custom: #3183ae; $custom-light: #79a7c6; $custom-dark: #000000;
JSON
{
"hex": "#3183ae",
"rgb": {
"r": 49,
"g": 131,
"b": 174
},
"hsl": {
"h": 200.64,
"s": 56.054,
"l": 43.725
},
"oklch": {
"l": 0.57956,
"c": 0.10203,
"h": 235.5
},
"luminance": 0.19942
}Semantic roles & 50–950 ramp
primary
#3183AE
secondary
#C49177
accent
#7C48DF
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82