#6181CF#6181CF
#6181CF is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.4% C 0.124 H 266.0°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).
Color values
| HEX | #6181CF |
|---|---|
| RGB | rgb(97, 129, 207) |
| HSL | hsl(223, 53%, 60%) |
| HSV | hsv(223, 53%, 81%) |
| CMYK | cmyk(53.1%, 37.7%, 0%, 18.8%) |
| CIE-LAB | lab(54.81, 10.99, -43.81) |
| CIE-LCH | lch(54.81, 45.17, 284.08°) |
| OKLab | oklab(61.41% -0.0087 -0.1239) |
| OKLCH | oklch(61.41% 0.124 266) |
| XYZ | xyz(24.0388, 22.7452, 62.1429) |
| Luminance | 0.2275 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 3.89
Faded Blue
#658CBB
ΔE00 4.69
Dodger Blue
#3E82FC
ΔE00 5.69
Lightish Blue
#3D7AFD
ΔE00 5.78
Cornflower Blue
#5170D7
ΔE00 5.90
Off Blue
#5684AE
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6181CF #CFAF61
analogous
#61B8CF #6181CF #7861CF
triadic
#6181CF #CF6181 #81CF61
tetradic
#6181CF #CF61B8 #CFAF61 #61CF78
square
#6181CF #CF61B8 #CFAF61 #61CF78
split-complementary
#6181CF #CF7861 #B8CF61
monochromatic
#2A478B #395EBA #6181CF #90A6DD #BFCCEC
Accessibility & contrast
On white
3.78
#6181CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.55
#6181CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6181CF
5.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6181CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6181CF | 1.00 | 3.78 | 5.55 | 5.55 |
| #FFFFFF | 3.78 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.55 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.55 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6289D2
Deuteranopia (green-blind)
#557FCD
Tritanopia (blue-blind)
#28929E
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #6181cf; /* rgb */ color: rgb(97, 129, 207); /* oklch */ color: oklch(61.4% 0.124 266.0);
Tailwind
colors: {
custom: {
50: '#95a5de',
500: '#6181cf',
950: '#000000',
},
}SCSS
$custom: #6181cf; $custom-light: #95a5de; $custom-dark: #000000;
JSON
{
"hex": "#6181cf",
"rgb": {
"r": 97,
"g": 129,
"b": 207
},
"hsl": {
"h": 222.545,
"s": 53.398,
"l": 59.608
},
"oklch": {
"l": 0.61414,
"c": 0.12426,
"h": 266
},
"luminance": 0.22747
}Semantic roles & 50–950 ramp
primary
#6181CF
secondary
#DBCFB1
accent
#B24BDD
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E0F15
muted
#7E7F83