#3671C6#3671C6
#3671C6 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.3% C 0.146 H 257.9°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).
Color values
| HEX | #3671C6 |
|---|---|
| RGB | rgb(54, 113, 198) |
| HSL | hsl(215, 57%, 49%) |
| HSV | hsv(215, 73%, 78%) |
| CMYK | cmyk(72.7%, 42.9%, 0%, 22.4%) |
| CIE-LAB | lab(47.84, 9.90, -49.89) |
| CIE-LCH | lch(47.84, 50.86, 281.22°) |
| OKLab | oklab(55.32% -0.0307 -0.1427) |
| OKLCH | oklch(55.32% 0.146 257.9) |
| XYZ | xyz(17.6158, 16.6698, 55.7043) |
| Luminance | 0.1667 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 2.18
Windows Blue
#3778BF
ΔE00 3.02
Flat Blue
#3C73A8
ΔE00 3.70
French Blue
#436BAD
ΔE00 3.82
Mid Blue
#276AB3
ΔE00 3.82
Bluish
#2976BB
ΔE00 3.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3671C6 #C68B36
analogous
#36B9C6 #3671C6 #4336C6
triadic
#3671C6 #C63671 #71C636
tetradic
#3671C6 #C636B9 #C68B36 #36C643
square
#3671C6 #C636B9 #C68B36 #36C643
split-complementary
#3671C6 #C64336 #B9C636
monochromatic
#1C3A66 #295696 #3671C6 #6492D5 #94B4E2
Accessibility & contrast
On white
4.84
#3671C6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.33
#3671C6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3671C6
4.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3671C6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3671C6 | 1.00 | 4.84 | 4.33 | 4.84 |
| #FFFFFF | 4.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4779C9
Deuteranopia (green-blind)
#2E6BC4
Tritanopia (blue-blind)
#008592
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #3671c6; /* rgb */ color: rgb(54, 113, 198); /* oklch */ color: oklch(55.3% 0.146 257.9);
Tailwind
colors: {
custom: {
50: '#7f99d8',
500: '#3671c6',
950: '#000000',
},
}SCSS
$custom: #3671c6; $custom-light: #7f99d8; $custom-dark: #000000;
JSON
{
"hex": "#3671c6",
"rgb": {
"r": 54,
"g": 113,
"b": 198
},
"hsl": {
"h": 215.417,
"s": 57.143,
"l": 49.412
},
"oklch": {
"l": 0.55318,
"c": 0.14594,
"h": 257.9
},
"luminance": 0.16672
}Semantic roles & 50–950 ramp
primary
#3671C6
secondary
#CDB28B
accent
#A247E0
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0D14
muted
#7C7E83