#223CAF#223CAF
#223CAF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.185 H 267.3°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).
Color values
| HEX | #223CAF |
|---|---|
| RGB | rgb(34, 60, 175) |
| HSL | hsl(229, 67%, 41%) |
| HSV | hsv(229, 81%, 69%) |
| CMYK | cmyk(80.6%, 65.7%, 0%, 31.4%) |
| CIE-LAB | lab(31.03, 33.40, -63.69) |
| CIE-LCH | lch(31.03, 71.92, 297.67°) |
| OKLab | oklab(41.85% -0.0086 -0.1844) |
| OKLCH | oklch(41.85% 0.185 267.3) |
| XYZ | xyz(10.0107, 6.6658, 41.3081) |
| Luminance | 0.0667 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.24
Blue Blue
#2242C7
ΔE00 3.56
Cobalt
#0047AB
ΔE00 4.95
Ocean Blue
#4F42B5
ΔE00 5.64
Blueberry
#464196
ΔE00 5.90
Blue (survey)
#0343DF
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#223CAF #AF9522
analogous
#2282AF #223CAF #4E22AF
triadic
#223CAF #AF223C #3CAF22
tetradic
#223CAF #AF2282 #AF9522 #22AF4E
square
#223CAF #AF2282 #AF9522 #22AF4E
split-complementary
#223CAF #AF4E22 #82AF22
monochromatic
#0E1949 #182A7C #223CAF #3654D8 #6980E2
Accessibility & contrast
On white
9.00
#223CAF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#223CAF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #223CAF
9.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##223CAF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##223CAF | 1.00 | 9.00 | 2.33 | 9.00 |
| #FFFFFF | 9.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B3
Deuteranopia (green-blind)
#0042AD
Tritanopia (blue-blind)
#005B70
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #223caf; /* rgb */ color: rgb(34, 60, 175); /* oklch */ color: oklch(41.9% 0.185 267.3);
Tailwind
colors: {
custom: {
50: '#7671c8',
500: '#223caf',
950: '#000000',
},
}SCSS
$custom: #223caf; $custom-light: #7671c8; $custom-dark: #000000;
JSON
{
"hex": "#223caf",
"rgb": {
"r": 34,
"g": 60,
"b": 175
},
"hsl": {
"h": 228.936,
"s": 67.464,
"l": 40.98
},
"oklch": {
"l": 0.41854,
"c": 0.18461,
"h": 267.3
},
"luminance": 0.06667
}Semantic roles & 50–950 ramp
primary
#223CAF
secondary
#C8B665
accent
#CA3DEA
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82