#4739BC#4739BC
#4739BC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.196 H 279.8°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).
Color values
| HEX | #4739BC |
|---|---|
| RGB | rgb(71, 57, 188) |
| HSL | hsl(246, 53%, 48%) |
| HSV | hsv(246, 70%, 74%) |
| CMYK | cmyk(62.2%, 69.7%, 0%, 26.3%) |
| CIE-LAB | lab(33.76, 44.01, -66.83) |
| CIE-LCH | lch(33.76, 80.02, 303.36°) |
| OKLab | oklab(44.78% 0.0333 -0.1927) |
| OKLCH | oklch(44.78% 0.196 279.8) |
| XYZ | xyz(13.1359, 7.8957, 48.3990) |
| Luminance | 0.0790 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 2.30
Ocean Blue
#4F42B5
ΔE00 2.68
Blurple
#5539CC
ΔE00 2.97
Bluey Purple
#6241C7
ΔE00 4.66
Blue Blue
#2242C7
ΔE00 4.86
Sapphire (survey)
#2138AB
ΔE00 5.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4739BC #AEBC39
analogous
#396DBC #4739BC #8839BC
triadic
#4739BC #BC4739 #39BC47
tetradic
#4739BC #BC396D #AEBC39 #39BC88
square
#4739BC #BC396D #AEBC39 #39BC88
split-complementary
#4739BC #BC8839 #6DBC39
monochromatic
#241D5E #352B8D #4739BC #6E63D0 #9A92DE
Accessibility & contrast
On white
8.14
#4739BC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#4739BC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4739BC
8.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4739BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4739BC | 1.00 | 8.14 | 2.58 | 8.14 |
| #FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0054C0
Deuteranopia (green-blind)
#004ABA
Tritanopia (blue-blind)
#005C76
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #4739bc; /* rgb */ color: rgb(71, 57, 188); /* oklch */ color: oklch(44.8% 0.196 279.8);
Tailwind
colors: {
custom: {
50: '#8871d1',
500: '#4739bc',
950: '#000000',
},
}SCSS
$custom: #4739bc; $custom-light: #8871d1; $custom-dark: #000000;
JSON
{
"hex": "#4739bc",
"rgb": {
"r": 71,
"g": 57,
"b": 188
},
"hsl": {
"h": 246.412,
"s": 53.469,
"l": 48.039
},
"oklch": {
"l": 0.44784,
"c": 0.19557,
"h": 279.8
},
"luminance": 0.07897
}Semantic roles & 50–950 ramp
primary
#4739BC
secondary
#C2C988
accent
#DD4BCD
background
#F9F6FD
surface
#F1ECFA
border
#CBC7D3
text
#0D0814
muted
#7E7B83