#3D75C7#3D75C7
#3D75C7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.5% C 0.140 H 258.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #3D75C7 |
|---|---|
| RGB | rgb(61, 117, 199) |
| HSL | hsl(216, 55%, 51%) |
| HSV | hsv(216, 69%, 78%) |
| CMYK | cmyk(69.3%, 41.2%, 0%, 22%) |
| CIE-LAB | lab(49.30, 8.79, -48.12) |
| CIE-LCH | lch(49.30, 48.92, 280.35°) |
| OKLab | oklab(56.54% -0.0291 -0.1373) |
| OKLCH | oklch(56.54% 0.14 258) |
| XYZ | xyz(18.5908, 17.8363, 56.4847) |
| Luminance | 0.1784 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.32
Medium Blue
#2C6FBB
ΔE00 3.26
Bluish
#2976BB
ΔE00 3.78
Flat Blue
#3C73A8
ΔE00 4.03
Cerulean Blue
#056EEE
ΔE00 4.35
French Blue
#436BAD
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3D75C7 #C78F3D
analogous
#3DBAC7 #3D75C7 #4A3DC7
triadic
#3D75C7 #C73D75 #75C73D
tetradic
#3D75C7 #C73DBA #C78F3D #3DC74A
square
#3D75C7 #C73DBA #C78F3D #3DC74A
split-complementary
#3D75C7 #C74A3D #BAC73D
monochromatic
#1F3E6B #2D599A #3D75C7 #6C97D5 #9CB9E2
Accessibility & contrast
On white
4.60
#3D75C7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.57
#3D75C7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #3D75C7
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3D75C7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3D75C7 | 1.00 | 4.60 | 4.57 | 4.60 |
| #FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F7CCA
Deuteranopia (green-blind)
#386FC5
Tritanopia (blue-blind)
#008894
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #3d75c7; /* rgb */ color: rgb(61, 117, 199); /* oklch */ color: oklch(56.5% 0.140 258.0);
Tailwind
colors: {
custom: {
50: '#829cd8',
500: '#3d75c7',
950: '#000000',
},
}SCSS
$custom: #3d75c7; $custom-light: #829cd8; $custom-dark: #000000;
JSON
{
"hex": "#3d75c7",
"rgb": {
"r": 61,
"g": 117,
"b": 199
},
"hsl": {
"h": 215.652,
"s": 55.2,
"l": 50.98
},
"oklch": {
"l": 0.56537,
"c": 0.14038,
"h": 258
},
"luminance": 0.17838
}Semantic roles & 50–950 ramp
primary
#3D75C7
secondary
#CEB691
accent
#A249DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83