#2733C4#2733C4
#2733C4 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.7% C 0.219 H 269.4°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).
Color values
| HEX | #2733C4 |
|---|---|
| RGB | rgb(39, 51, 196) |
| HSL | hsl(235, 67%, 46%) |
| HSV | hsv(235, 80%, 77%) |
| CMYK | cmyk(80.1%, 74%, 0%, 23.1%) |
| CIE-LAB | lab(31.31, 46.79, -75.65) |
| CIE-LCH | lch(31.31, 88.95, 301.73°) |
| OKLab | oklab(42.74% -0.0022 -0.2192) |
| OKLCH | oklch(42.74% 0.219 269.4) |
| XYZ | xyz(11.9809, 6.7831, 52.8917) |
| Luminance | 0.0678 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.94
Blue Blue
#2242C7
ΔE00 4.16
Blue With A Hint Of Purple
#533CC6
ΔE00 5.05
Blurple
#5539CC
ΔE00 5.28
Blue (survey)
#0343DF
ΔE00 5.51
Ocean Blue
#4F42B5
ΔE00 5.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2733C4 #C4B827
analogous
#2781C4 #2733C4 #6927C4
triadic
#2733C4 #C42733 #33C427
tetradic
#2733C4 #C42781 #C4B827 #27C469
square
#2733C4 #C42781 #C4B827 #27C469
split-complementary
#2733C4 #C46927 #81C427
monochromatic
#13185E #1D2691 #2733C4 #4D58DC #8088E6
Accessibility & contrast
On white
8.91
#2733C4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#2733C4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2733C4
8.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2733C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2733C4 | 1.00 | 8.91 | 2.36 | 8.91 |
| #FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051C8
Deuteranopia (green-blind)
#0042C1
Tritanopia (blue-blind)
#005E79
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2733c4; /* rgb */ color: rgb(39, 51, 196); /* oklch */ color: oklch(42.7% 0.219 269.4);
Tailwind
colors: {
custom: {
50: '#7e6cd7',
500: '#2733c4',
950: '#000000',
},
}SCSS
$custom: #2733c4; $custom-light: #7e6cd7; $custom-dark: #000000;
JSON
{
"hex": "#2733c4",
"rgb": {
"r": 39,
"g": 51,
"b": 196
},
"hsl": {
"h": 235.414,
"s": 66.809,
"l": 46.078
},
"oklch": {
"l": 0.42737,
"c": 0.21919,
"h": 269.4
},
"luminance": 0.06785
}Semantic roles & 50–950 ramp
primary
#2733C4
secondary
#CEC879
accent
#DD3EEA
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0715
muted
#7D7A83