#223FA7#223FA7
#223FA7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.170 H 266.6°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #223FA7 |
|---|---|
| RGB | rgb(34, 63, 167) |
| HSL | hsl(227, 66%, 39%) |
| HSV | hsv(227, 80%, 65%) |
| CMYK | cmyk(79.6%, 62.3%, 0%, 34.5%) |
| CIE-LAB | lab(31.08, 28.39, -58.83) |
| CIE-LCH | lch(31.08, 65.32, 295.76°) |
| OKLab | oklab(41.67% -0.0101 -0.1702) |
| OKLCH | oklch(41.67% 0.17 266.6) |
| XYZ | xyz(9.4098, 6.6840, 37.3459) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.38
Cobalt
#0047AB
ΔE00 3.76
Blue Blue
#2242C7
ΔE00 4.43
Blueberry
#464196
ΔE00 5.52
Cobalt (survey)
#1E488F
ΔE00 5.65
Ocean Blue
#4F42B5
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#223FA7 #A78A22
analogous
#2282A7 #223FA7 #4722A7
triadic
#223FA7 #A7223F #3FA722
tetradic
#223FA7 #A72282 #A78A22 #22A747
square
#223FA7 #A72282 #A78A22 #22A747
split-complementary
#223FA7 #A74722 #82A722
monochromatic
#0D1941 #182C74 #223FA7 #3155D5 #647FDF
Accessibility & contrast
On white
8.99
#223FA7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#223FA7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #223FA7
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##223FA7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##223FA7 | 1.00 | 8.99 | 2.34 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050AA
Deuteranopia (green-blind)
#0043A5
Tritanopia (blue-blind)
#005A6D
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #223fa7; /* rgb */ color: rgb(34, 63, 167); /* oklch */ color: oklch(41.7% 0.170 266.6);
Tailwind
colors: {
custom: {
50: '#7473c2',
500: '#223fa7',
950: '#000000',
},
}SCSS
$custom: #223fa7; $custom-light: #7473c2; $custom-dark: #000000;
JSON
{
"hex": "#223fa7",
"rgb": {
"r": 34,
"g": 63,
"b": 167
},
"hsl": {
"h": 226.917,
"s": 66.169,
"l": 39.412
},
"oklch": {
"l": 0.41666,
"c": 0.17046,
"h": 266.6
},
"luminance": 0.06685
}Semantic roles & 50–950 ramp
primary
#223FA7
secondary
#C5AF60
accent
#C43FE9
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0812
muted
#7C7B81