#223B7E#223B7E
#223B7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.118 H 265.6°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).
Color values
| HEX | #223B7E |
|---|---|
| RGB | rgb(34, 59, 126) |
| HSL | hsl(224, 58%, 31%) |
| HSV | hsv(224, 73%, 49%) |
| CMYK | cmyk(73%, 53.2%, 0%, 50.6%) |
| CIE-LAB | lab(26.66, 15.08, -40.85) |
| CIE-LCH | lch(26.66, 43.54, 290.26°) |
| OKLab | oklab(37.31% -0.0091 -0.1174) |
| OKLCH | oklch(37.31% 0.118 265.6) |
| XYZ | xyz(5.9882, 4.9738, 20.3791) |
| Luminance | 0.0497 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 4.43
Cobalt (survey)
#1E488F
ΔE00 4.91
Marine Blue
#01386A
ΔE00 5.02
Twilight Blue
#0A437A
ΔE00 5.29
Marine
#042E60
ΔE00 5.87
Prussian Blue
#004577
ΔE00 6.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#223B7E #7E6522
analogous
#22697E #223B7E #37227E
triadic
#223B7E #7E223B #3B7E22
tetradic
#223B7E #7E2269 #7E6522 #227E37
square
#223B7E #7E2269 #7E6522 #227E37
split-complementary
#223B7E #7E3722 #697E22
monochromatic
#080E1E #15244E #223B7E #2F52AE #4C6FCF
Accessibility & contrast
On white
10.53
#223B7E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#223B7E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #223B7E
10.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##223B7E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##223B7E | 1.00 | 10.53 | 1.99 | 10.53 |
| #FFFFFF | 10.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#114380
Deuteranopia (green-blind)
#003B7D
Tritanopia (blue-blind)
#004B56
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #223b7e; /* rgb */ color: rgb(34, 59, 126); /* oklch */ color: oklch(37.3% 0.118 265.6);
Tailwind
colors: {
custom: {
50: '#6a70a4',
500: '#223b7e',
950: '#000000',
},
}SCSS
$custom: #223b7e; $custom-light: #6a70a4; $custom-dark: #000000;
JSON
{
"hex": "#223b7e",
"rgb": {
"r": 34,
"g": 59,
"b": 126
},
"hsl": {
"h": 223.696,
"s": 57.5,
"l": 31.373
},
"oklch": {
"l": 0.37314,
"c": 0.11774,
"h": 265.6
},
"luminance": 0.04974
}Semantic roles & 50–950 ramp
primary
#223B7E
secondary
#B1954B
accent
#B747E1
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#07070F
muted
#7A7A7F