#4971DD#4971DD
#4971DD is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.7% C 0.171 H 265.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #4971DD |
|---|---|
| RGB | rgb(73, 113, 221) |
| HSL | hsl(224, 69%, 58%) |
| HSV | hsv(224, 67%, 87%) |
| CMYK | cmyk(67%, 48.9%, 0%, 13.3%) |
| CIE-LAB | lab(50.03, 20.97, -59.43) |
| CIE-LCH | lch(50.03, 63.02, 289.44°) |
| OKLab | oklab(57.67% -0.0121 -0.1704) |
| OKLCH | oklch(57.67% 0.171 265.9) |
| XYZ | xyz(21.6994, 18.4451, 70.8093) |
| Luminance | 0.1845 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.34
Royal Blue
#4169E1
ΔE00 2.76
Cerulean Blue
#056EEE
ΔE00 3.86
Deep Sky Blue
#0D75F8
ΔE00 4.48
Lightish Blue
#3D7AFD
ΔE00 4.88
Bright Blue
#0165FC
ΔE00 5.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4971DD #DDB549
analogous
#49BBDD #4971DD #6B49DD
triadic
#4971DD #DD4971 #71DD49
tetradic
#4971DD #DD49BB #DDB549 #49DD6B
square
#4971DD #DD49BB #DDB549 #49DD6B
split-complementary
#4971DD #DD6B49 #BBDD49
monochromatic
#1B3B91 #2550C4 #4971DD #7D99E7 #B0C1F0
Accessibility & contrast
On white
4.48
#4971DD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.69
#4971DD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4971DD
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4971DD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4971DD | 1.00 | 4.48 | 4.69 | 4.69 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#357EE1
Deuteranopia (green-blind)
#0671DB
Tritanopia (blue-blind)
#008A9C
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #4971dd; /* rgb */ color: rgb(73, 113, 221); /* oklch */ color: oklch(57.7% 0.171 265.9);
Tailwind
colors: {
custom: {
50: '#8b99e8',
500: '#4971dd',
950: '#000000',
},
}SCSS
$custom: #4971dd; $custom-light: #8b99e8; $custom-dark: #000000;
JSON
{
"hex": "#4971dd",
"rgb": {
"r": 73,
"g": 113,
"b": 221
},
"hsl": {
"h": 223.784,
"s": 68.519,
"l": 57.647
},
"oklch": {
"l": 0.57669,
"c": 0.17085,
"h": 265.9
},
"luminance": 0.18447
}Semantic roles & 50–950 ramp
primary
#4971DD
secondary
#DFCFA3
accent
#BC3CEB
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0D16
muted
#7E7E84