#374E86#374E86
#374E86 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.4% C 0.097 H 265.7°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).
Color values
| HEX | #374E86 |
|---|---|
| RGB | rgb(55, 78, 134) |
| HSL | hsl(223, 42%, 37%) |
| HSV | hsv(223, 59%, 53%) |
| CMYK | cmyk(59%, 41.8%, 0%, 47.5%) |
| CIE-LAB | lab(33.94, 9.20, -34.09) |
| CIE-LCH | lch(33.94, 35.31, 285.11°) |
| OKLab | oklab(43.37% -0.0073 -0.0968) |
| OKLCH | oklch(43.37% 0.097 265.7) |
| XYZ | xyz(8.6016, 7.9816, 23.6370) |
| Luminance | 0.0798 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.74
Dusk Blue
#26538D
ΔE00 4.22
Denim Blue
#3B5B92
ΔE00 4.65
Twilight
#4E518B
ΔE00 5.16
Dusk
#4E5481
ΔE00 5.69
Dusky Blue
#475F94
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#374E86 #866F37
analogous
#377686 #374E86 #483786
triadic
#374E86 #86374E #4E8637
tetradic
#374E86 #863776 #866F37 #378648
square
#374E86 #863776 #866F37 #378648
split-complementary
#374E86 #864837 #768637
monochromatic
#131B2F #25355B #374E86 #4967B1 #728AC5
Accessibility & contrast
On white
8.09
#374E86 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#374E86 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #374E86
8.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##374E86 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##374E86 | 1.00 | 8.09 | 2.60 | 8.09 |
| #FFFFFF | 8.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#365488
Deuteranopia (green-blind)
#2C4C85
Tritanopia (blue-blind)
#005A63
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #374e86; /* rgb */ color: rgb(55, 78, 134); /* oklch */ color: oklch(43.4% 0.097 265.7);
Tailwind
colors: {
custom: {
50: '#757fa9',
500: '#374e86',
950: '#000000',
},
}SCSS
$custom: #374e86; $custom-light: #757fa9; $custom-dark: #000000;
JSON
{
"hex": "#374e86",
"rgb": {
"r": 55,
"g": 78,
"b": 134
},
"hsl": {
"h": 222.532,
"s": 41.799,
"l": 37.059
},
"oklch": {
"l": 0.43369,
"c": 0.09708,
"h": 265.7
},
"luminance": 0.07982
}Semantic roles & 50–950 ramp
primary
#374E86
secondary
#AE9A6B
accent
#AE56D2
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#090A10
muted
#7B7C7F