#223C90#223C90
#223C90 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.143 H 266.6°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).
Color values
| HEX | #223C90 |
|---|---|
| RGB | rgb(34, 60, 144) |
| HSL | hsl(226, 62%, 35%) |
| HSV | hsv(226, 76%, 56%) |
| CMYK | cmyk(76.4%, 58.3%, 0%, 43.5%) |
| CIE-LAB | lab(28.34, 21.49, -49.32) |
| CIE-LCH | lch(28.34, 53.80, 293.55°) |
| OKLab | oklab(39.02% -0.0085 -0.1423) |
| OKLCH | oklch(39.02% 0.143 266.6) |
| XYZ | xyz(7.3078, 5.5846, 27.0729) |
| Luminance | 0.0558 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.56
Cobalt (survey)
#1E488F
ΔE00 4.68
Cobalt
#0047AB
ΔE00 5.22
Darkish Blue
#014182
ΔE00 5.29
Blueberry
#464196
ΔE00 5.56
Twilight Blue
#0A437A
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#223C90 #907622
analogous
#227390 #223C90 #3F2290
triadic
#223C90 #90223C #3C9022
tetradic
#223C90 #902273 #907622 #22903F
square
#223C90 #902273 #907622 #22903F
split-complementary
#223C90 #903F22 #739022
monochromatic
#0B132D #16275E #223C90 #2E51C2 #5574D7
Accessibility & contrast
On white
9.92
#223C90 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.12
#223C90 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #223C90
9.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##223C90 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##223C90 | 1.00 | 9.92 | 2.12 | 9.92 |
| #FFFFFF | 9.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004893
Deuteranopia (green-blind)
#003E8E
Tritanopia (blue-blind)
#005160
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #223c90; /* rgb */ color: rgb(34, 60, 144); /* oklch */ color: oklch(39.0% 0.143 266.6);
Tailwind
colors: {
custom: {
50: '#6e71b1',
500: '#223c90',
950: '#000000',
},
}SCSS
$custom: #223c90; $custom-light: #6e71b1; $custom-dark: #000000;
JSON
{
"hex": "#223c90",
"rgb": {
"r": 34,
"g": 60,
"b": 144
},
"hsl": {
"h": 225.818,
"s": 61.798,
"l": 34.902
},
"oklch": {
"l": 0.39023,
"c": 0.14252,
"h": 266.6
},
"luminance": 0.05585
}Semantic roles & 50–950 ramp
primary
#223C90
secondary
#BBA253
accent
#BF43E5
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080711
muted
#7B7A80