#3D40BB#3D40BB
#3D40BB is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.1% C 0.189 H 274.8°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3D40BB |
|---|---|
| RGB | rgb(61, 64, 187) |
| HSL | hsl(239, 51%, 49%) |
| HSV | hsv(239, 67%, 73%) |
| CMYK | cmyk(67.4%, 65.8%, 0%, 26.7%) |
| CIE-LAB | lab(34.49, 38.16, -65.09) |
| CIE-LCH | lch(34.49, 75.45, 300.38°) |
| OKLab | oklab(45.09% 0.0156 -0.1879) |
| OKLCH | oklch(45.09% 0.189 274.8) |
| XYZ | xyz(12.7245, 8.2456, 47.9251) |
| Luminance | 0.0825 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.63
Blue Blue
#2242C7
ΔE00 2.81
Blue With A Hint Of Purple
#533CC6
ΔE00 3.75
Sapphire (survey)
#2138AB
ΔE00 4.15
Blurple
#5539CC
ΔE00 4.61
Blue (survey)
#0343DF
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3D40BB #BBB83D
analogous
#3D7FBB #3D40BB #793DBB
triadic
#3D40BB #BB3D40 #40BB3D
tetradic
#3D40BB #BB3D7F #BBB83D #3DBB79
square
#3D40BB #BB3D7F #BBB83D #3DBB79
split-complementary
#3D40BB #BB793D #7FBB3D
monochromatic
#1F205F #2E308D #3D40BB #686ACE #9697DD
Accessibility & contrast
On white
7.93
#3D40BB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#3D40BB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3D40BB
7.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3D40BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3D40BB | 1.00 | 7.93 | 2.65 | 7.93 |
| #FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057BF
Deuteranopia (green-blind)
#004BB9
Tritanopia (blue-blind)
#006078
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3d40bb; /* rgb */ color: rgb(61, 64, 187); /* oklch */ color: oklch(45.1% 0.189 274.8);
Tailwind
colors: {
custom: {
50: '#8275d0',
500: '#3d40bb',
950: '#000000',
},
}SCSS
$custom: #3d40bb; $custom-light: #8275d0; $custom-dark: #000000;
JSON
{
"hex": "#3d40bb",
"rgb": {
"r": 61,
"g": 64,
"b": 187
},
"hsl": {
"h": 238.571,
"s": 50.806,
"l": 48.627
},
"oklch": {
"l": 0.45094,
"c": 0.18852,
"h": 274.8
},
"luminance": 0.08247
}Semantic roles & 50–950 ramp
primary
#3D40BB
secondary
#C8C78C
accent
#D74EDA
background
#F8F7FC
surface
#F0EDF9
border
#CBC8D2
text
#0C0814
muted
#7D7B82