#2C378C#2C378C
#2C378C is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.140 H 272.3°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).
Color values
| HEX | #2C378C |
|---|---|
| RGB | rgb(44, 55, 140) |
| HSL | hsl(233, 52%, 36%) |
| HSV | hsv(233, 69%, 55%) |
| CMYK | cmyk(68.6%, 60.7%, 0%, 45.1%) |
| CIE-LAB | lab(27.19, 24.79, -48.70) |
| CIE-LCH | lch(27.19, 54.64, 296.98°) |
| OKLab | oklab(38.21% 0.0056 -0.1403) |
| OKLCH | oklch(38.21% 0.14 272.3) |
| XYZ | xyz(7.1369, 5.1606, 25.4258) |
| Luminance | 0.0516 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.60
Blueberry
#464196
ΔE00 4.64
Darkslateblue
#483D8B
ΔE00 4.94
Cobalt (survey)
#1E488F
ΔE00 7.04
Cobalt
#0047AB
ΔE00 7.43
Darkish Blue
#014182
ΔE00 7.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2C378C #8C812C
analogous
#2C678C #2C378C #512C8C
triadic
#2C378C #8C2C37 #378C2C
tetradic
#2C378C #8C2C67 #8C812C #2C8C51
square
#2C378C #8C2C67 #8C812C #2C8C51
split-complementary
#2C378C #8C512C #678C2C
monochromatic
#0F122F #1D255D #2C378C #3B49BB #6470CE
Accessibility & contrast
On white
10.33
#2C378C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.03
#2C378C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2C378C
10.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2C378C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2C378C | 1.00 | 10.33 | 2.03 | 10.33 |
| #FFFFFF | 10.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.03 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00458F
Deuteranopia (green-blind)
#003C8A
Tritanopia (blue-blind)
#004C5C
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #2c378c; /* rgb */ color: rgb(44, 55, 140); /* oklch */ color: oklch(38.2% 0.140 272.3);
Tailwind
colors: {
custom: {
50: '#726dae',
500: '#2c378c',
950: '#000000',
},
}SCSS
$custom: #2c378c; $custom-light: #726dae; $custom-dark: #000000;
JSON
{
"hex": "#2c378c",
"rgb": {
"r": 44,
"g": 55,
"b": 140
},
"hsl": {
"h": 233.125,
"s": 52.174,
"l": 36.078
},
"oklch": {
"l": 0.38205,
"c": 0.1404,
"h": 272.3
},
"luminance": 0.05161
}Semantic roles & 50–950 ramp
primary
#2C378C
secondary
#B5AB5F
accent
#CB4CDC
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#090710
muted
#7B7A7F