#3121BD#3121BD
#3121BD is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.3% C 0.224 H 274.2°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).
Color values
| HEX | #3121BD |
|---|---|
| RGB | rgb(49, 33, 189) |
| HSL | hsl(246, 70%, 44%) |
| HSV | hsv(246, 83%, 74%) |
| CMYK | cmyk(74.1%, 82.5%, 0%, 25.9%) |
| CIE-LAB | lab(27.88, 54.46, -77.19) |
| CIE-LCH | lch(27.88, 94.47, 305.21°) |
| OKLab | oklab(40.26% 0.0164 -0.2232) |
| OKLCH | oklch(40.26% 0.224 274.2) |
| XYZ | xyz(10.9927, 5.4137, 48.5999) |
| Luminance | 0.0541 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.34
True Blue
#010FCC
ΔE00 3.07
Mediumblue
#0000CD
ΔE00 3.92
Ultramarine Blue
#1805DB
ΔE00 3.93
Violet Blue
#510AC9
ΔE00 4.22
Pure Blue
#0203E2
ΔE00 4.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3121BD #ADBD21
analogous
#215FBD #3121BD #7F21BD
triadic
#3121BD #BD3121 #21BD31
tetradic
#3121BD #BD215F #ADBD21 #21BD7F
square
#3121BD #BD215F #ADBD21 #21BD7F
split-complementary
#3121BD #BD7F21 #5FBD21
monochromatic
#160F55 #231889 #3121BD #4E3EDD #7E72E6
Accessibility & contrast
On white
10.08
#3121BD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.08
#3121BD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3121BD
10.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3121BD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3121BD | 1.00 | 10.08 | 2.08 | 10.08 |
| #FFFFFF | 10.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049C1
Deuteranopia (green-blind)
#003ABA
Tritanopia (blue-blind)
#005371
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #3121bd; /* rgb */ color: rgb(49, 33, 189); /* oklch */ color: oklch(40.3% 0.224 274.2);
Tailwind
colors: {
custom: {
50: '#8162d2',
500: '#3121bd',
950: '#000000',
},
}SCSS
$custom: #3121bd; $custom-light: #8162d2; $custom-dark: #000000;
JSON
{
"hex": "#3121bd",
"rgb": {
"r": 49,
"g": 33,
"b": 189
},
"hsl": {
"h": 246.154,
"s": 70.27,
"l": 43.529
},
"oklch": {
"l": 0.40255,
"c": 0.2238,
"h": 274.2
},
"luminance": 0.05415
}Semantic roles & 50–950 ramp
primary
#3121BD
secondary
#C3CD6D
accent
#ED3BDB
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0514
muted
#7D7A83