#2347B3#2347B3
#2347B3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.176 H 265.4°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #2347B3 |
|---|---|
| RGB | rgb(35, 71, 179) |
| HSL | hsl(225, 67%, 42%) |
| HSV | hsv(225, 80%, 70%) |
| CMYK | cmyk(80.4%, 60.3%, 0%, 29.8%) |
| CIE-LAB | lab(34.23, 27.76, -60.84) |
| CIE-LCH | lch(34.23, 66.88, 294.53°) |
| OKLab | oklab(44.34% -0.0141 -0.1759) |
| OKLCH | oklch(44.34% 0.176 265.4) |
| XYZ | xyz(11.0802, 8.1172, 43.6219) |
| Luminance | 0.0812 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.66
Blue Blue
#2242C7
ΔE00 3.38
Sapphire
#0F52BA
ΔE00 4.27
Sapphire (survey)
#2138AB
ΔE00 4.67
Cobalt (survey)
#1E488F
ΔE00 5.59
Blue (survey)
#0343DF
ΔE00 5.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2347B3 #B38F23
analogous
#238FB3 #2347B3 #4723B3
triadic
#2347B3 #B32347 #47B323
tetradic
#2347B3 #B3238F #B38F23 #23B347
square
#2347B3 #B3238F #B38F23 #23B347
split-complementary
#2347B3 #B34723 #8FB323
monochromatic
#0F1E4D #193380 #2347B3 #3B62D9 #6E8BE3
Accessibility & contrast
On white
8.00
#2347B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#2347B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2347B3
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2347B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2347B3 | 1.00 | 8.00 | 2.62 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B7
Deuteranopia (green-blind)
#004AB1
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2347b3; /* rgb */ color: rgb(35, 71, 179); /* oklch */ color: oklch(44.3% 0.176 265.4);
Tailwind
colors: {
custom: {
50: '#7679cb',
500: '#2347b3',
950: '#000000',
},
}SCSS
$custom: #2347b3; $custom-light: #7679cb; $custom-dark: #000000;
JSON
{
"hex": "#2347b3",
"rgb": {
"r": 35,
"g": 71,
"b": 179
},
"hsl": {
"h": 225,
"s": 67.29,
"l": 41.961
},
"oklch": {
"l": 0.44336,
"c": 0.17649,
"h": 265.4
},
"luminance": 0.08118
}Semantic roles & 50–950 ramp
primary
#2347B3
secondary
#C9B169
accent
#BF3EEA
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82