#223CA0#223CA0
#223CA0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.165 H 267.1°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).
Color values
| HEX | #223CA0 |
|---|---|
| RGB | rgb(34, 60, 160) |
| HSL | hsl(228, 65%, 38%) |
| HSV | hsv(228, 79%, 63%) |
| CMYK | cmyk(78.8%, 62.5%, 0%, 37.3%) |
| CIE-LAB | lab(29.69, 27.71, -56.89) |
| CIE-LCH | lch(29.69, 63.28, 295.97°) |
| OKLab | oklab(40.45% -0.0082 -0.1645) |
| OKLCH | oklch(40.45% 0.165 267.1) |
| XYZ | xyz(8.6185, 6.1089, 33.9758) |
| Luminance | 0.0611 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.23
Cobalt
#0047AB
ΔE00 4.59
Blueberry
#464196
ΔE00 5.26
Blue Blue
#2242C7
ΔE00 5.50
Cobalt (survey)
#1E488F
ΔE00 5.81
Darkslateblue
#483D8B
ΔE00 6.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#223CA0 #A08622
analogous
#227BA0 #223CA0 #4722A0
triadic
#223CA0 #A0223C #3CA022
tetradic
#223CA0 #A0227B #A08622 #22A047
square
#223CA0 #A0227B #A08622 #22A047
split-complementary
#223CA0 #A04722 #7BA022
monochromatic
#0D163B #17296E #223CA0 #2D4FD2 #5F79DD
Accessibility & contrast
On white
9.45
#223CA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.22
#223CA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #223CA0
9.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##223CA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##223CA0 | 1.00 | 9.45 | 2.22 | 9.45 |
| #FFFFFF | 9.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CA3
Deuteranopia (green-blind)
#00409E
Tritanopia (blue-blind)
#005668
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #223ca0; /* rgb */ color: rgb(34, 60, 160); /* oklch */ color: oklch(40.4% 0.165 267.1);
Tailwind
colors: {
custom: {
50: '#7271bd',
500: '#223ca0',
950: '#000000',
},
}SCSS
$custom: #223ca0; $custom-light: #7271bd; $custom-dark: #000000;
JSON
{
"hex": "#223ca0",
"rgb": {
"r": 34,
"g": 60,
"b": 160
},
"hsl": {
"h": 227.619,
"s": 64.948,
"l": 38.039
},
"oklch": {
"l": 0.40446,
"c": 0.16469,
"h": 267.1
},
"luminance": 0.0611
}Semantic roles & 50–950 ramp
primary
#223CA0
secondary
#C2AD5C
accent
#C540E8
background
#F7F6FB
surface
#EDECF7
border
#C8C7D0
text
#090712
muted
#7B7A81