#3A74C7#3A74C7
#3A74C7 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.2% C 0.143 H 257.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #3A74C7 |
|---|---|
| RGB | rgb(58, 116, 199) |
| HSL | hsl(215, 56%, 50%) |
| HSV | hsv(215, 71%, 78%) |
| CMYK | cmyk(70.9%, 41.7%, 0%, 22%) |
| CIE-LAB | lab(48.90, 8.96, -48.76) |
| CIE-LCH | lch(48.90, 49.58, 280.41°) |
| OKLab | oklab(56.2% -0.0304 -0.1393) |
| OKLCH | oklch(56.2% 0.143 257.7) |
| XYZ | xyz(18.2954, 17.5119, 56.4377) |
| Luminance | 0.1751 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.33
Medium Blue
#2C6FBB
ΔE00 2.87
Bluish
#2976BB
ΔE00 3.61
Flat Blue
#3C73A8
ΔE00 3.84
Cerulean Blue
#056EEE
ΔE00 4.23
French Blue
#436BAD
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A74C7 #C78D3A
analogous
#3ABAC7 #3A74C7 #463AC7
triadic
#3A74C7 #C73A74 #74C73A
tetradic
#3A74C7 #C73ABA #C78D3A #3AC746
square
#3A74C7 #C73ABA #C78D3A #3AC746
split-complementary
#3A74C7 #C7463A #BAC73A
monochromatic
#1E3D69 #2B5898 #3A74C7 #6A96D5 #99B7E2
Accessibility & contrast
On white
4.66
#3A74C7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.50
#3A74C7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #3A74C7
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A74C7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A74C7 | 1.00 | 4.66 | 4.50 | 4.66 |
| #FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D7BCA
Deuteranopia (green-blind)
#356EC5
Tritanopia (blue-blind)
#008794
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3a74c7; /* rgb */ color: rgb(58, 116, 199); /* oklch */ color: oklch(56.2% 0.143 257.7);
Tailwind
colors: {
custom: {
50: '#819bd8',
500: '#3a74c7',
950: '#000000',
},
}SCSS
$custom: #3a74c7; $custom-light: #819bd8; $custom-dark: #000000;
JSON
{
"hex": "#3a74c7",
"rgb": {
"r": 58,
"g": 116,
"b": 199
},
"hsl": {
"h": 215.319,
"s": 55.731,
"l": 50.392
},
"oklch": {
"l": 0.56196,
"c": 0.14254,
"h": 257.7
},
"luminance": 0.17514
}Semantic roles & 50–950 ramp
primary
#3A74C7
secondary
#CEB48F
accent
#A149DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83