#374CA6#374CA6
#374CA6 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.147 H 269.7°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).
Color values
| HEX | #374CA6 |
|---|---|
| RGB | rgb(55, 76, 166) |
| HSL | hsl(229, 50%, 43%) |
| HSV | hsv(229, 67%, 65%) |
| CMYK | cmyk(66.9%, 54.2%, 0%, 34.9%) |
| CIE-LAB | lab(35.47, 22.13, -51.05) |
| CIE-LCH | lch(35.47, 55.64, 293.43°) |
| OKLab | oklab(45.2% -0.0007 -0.1467) |
| OKLCH | oklch(45.2% 0.147 269.7) |
| XYZ | xyz(11.0406, 8.7333, 37.1729) |
| Luminance | 0.0873 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 4.00
Sapphire
#0F52BA
ΔE00 4.73
Cobalt (survey)
#1E488F
ΔE00 4.99
Blueberry
#464196
ΔE00 5.55
Blue Blue
#2242C7
ΔE00 5.56
Sapphire (survey)
#2138AB
ΔE00 6.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#374CA6 #A69137
analogous
#3783A6 #374CA6 #5A37A6
triadic
#374CA6 #A6374C #4CA637
tetradic
#374CA6 #A63783 #A69137 #37A65A
square
#374CA6 #A63783 #A69137 #37A65A
split-complementary
#374CA6 #A65A37 #83A637
monochromatic
#19224A #283778 #374CA6 #546AC6 #8292D6
Accessibility & contrast
On white
7.65
#374CA6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#374CA6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #374CA6
7.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##374CA6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##374CA6 | 1.00 | 7.65 | 2.75 | 7.65 |
| #FFFFFF | 7.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0C59A9
Deuteranopia (green-blind)
#004FA4
Tritanopia (blue-blind)
#006171
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #374ca6; /* rgb */ color: rgb(55, 76, 166); /* oklch */ color: oklch(45.2% 0.147 269.7);
Tailwind
colors: {
custom: {
50: '#7b7dc1',
500: '#374ca6',
950: '#000000',
},
}SCSS
$custom: #374ca6; $custom-light: #7b7dc1; $custom-dark: #000000;
JSON
{
"hex": "#374ca6",
"rgb": {
"r": 55,
"g": 76,
"b": 166
},
"hsl": {
"h": 228.649,
"s": 50.226,
"l": 43.333
},
"oklch": {
"l": 0.45199,
"c": 0.14667,
"h": 269.7
},
"luminance": 0.08734
}Semantic roles & 50–950 ramp
primary
#374CA6
secondary
#BFB27A
accent
#BF4EDA
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#0A0912
muted
#7C7B81