#3A91B3#3A91B3
#3A91B3 is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.9% C 0.097 H 227.4°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).
Color values
| HEX | #3A91B3 |
|---|---|
| RGB | rgb(58, 145, 179) |
| HSL | hsl(197, 51%, 46%) |
| HSV | hsv(197, 68%, 70%) |
| CMYK | cmyk(67.6%, 19%, 0%, 29.8%) |
| CIE-LAB | lab(56.49, -15.04, -25.41) |
| CIE-LCH | lch(56.49, 29.53, 239.38°) |
| OKLab | oklab(61.86% -0.0653 -0.0711) |
| OKLCH | oklch(61.86% 0.097 227.4) |
| XYZ | xyz(20.0037, 24.4028, 46.2951) |
| Luminance | 0.2440 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.56
Teal Blue
#01889F
ΔE00 6.74
Dusty Blue
#5A86AD
ΔE00 8.00
Off Blue
#5684AE
ΔE00 8.50
Steel Blue
#4682B4
ΔE00 8.60
Greyish Blue
#5E819D
ΔE00 8.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A91B3 #B35C3A
analogous
#3AB399 #3A91B3 #3A54B3
triadic
#3A91B3 #B33A91 #91B33A
tetradic
#3A91B3 #993AB3 #B35C3A #54B33A
square
#3A91B3 #993AB3 #B35C3A #54B33A
split-complementary
#3A91B3 #B33A54 #B3993A
monochromatic
#1C4657 #2B6C85 #3A91B3 #5FADCB #8DC5DA
Accessibility & contrast
On white
3.57
#3A91B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.88
#3A91B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A91B3
5.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A91B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A91B3 | 1.00 | 3.57 | 5.88 | 5.88 |
| #FFFFFF | 3.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F8EB5
Deuteranopia (green-blind)
#6E82B3
Tritanopia (blue-blind)
#009B9C
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #3a91b3; /* rgb */ color: rgb(58, 145, 179); /* oklch */ color: oklch(61.9% 0.097 227.4);
Tailwind
colors: {
custom: {
50: '#7eb1c9',
500: '#3a91b3',
950: '#000000',
},
}SCSS
$custom: #3a91b3; $custom-light: #7eb1c9; $custom-dark: #000000;
JSON
{
"hex": "#3a91b3",
"rgb": {
"r": 58,
"g": 145,
"b": 179
},
"hsl": {
"h": 196.86,
"s": 51.055,
"l": 46.471
},
"oklch": {
"l": 0.61863,
"c": 0.09654,
"h": 227.4
},
"luminance": 0.24405
}Semantic roles & 50–950 ramp
primary
#3A91B3
secondary
#C59684
accent
#754DDB
background
#F8FAFC
surface
#EFF5F8
border
#CACFD1
text
#0B1013
muted
#7C7F82