#223F82#223F82
#223F82 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.5% C 0.118 H 264.0°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #223F82 |
|---|---|
| RGB | rgb(34, 63, 130) |
| HSL | hsl(222, 59%, 32%) |
| HSV | hsv(222, 74%, 51%) |
| CMYK | cmyk(73.8%, 51.5%, 0%, 49%) |
| CIE-LAB | lab(28.13, 13.88, -40.98) |
| CIE-LCH | lch(28.13, 43.27, 288.72°) |
| OKLab | oklab(38.53% -0.0123 -0.1177) |
| OKLCH | oklch(38.53% 0.118 264) |
| XYZ | xyz(6.4650, 5.5061, 21.8368) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 3.45
Cobalt (survey)
#1E488F
ΔE00 3.50
Twilight Blue
#0A437A
ΔE00 4.33
Marine Blue
#01386A
ΔE00 5.07
Prussian Blue
#004577
ΔE00 5.97
Cobalt
#0047AB
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#223F82 #826522
analogous
#226F82 #223F82 #352282
triadic
#223F82 #82223F #3F8222
tetradic
#223F82 #82226F #826522 #228235
square
#223F82 #82226F #826522 #228235
split-complementary
#223F82 #823522 #6F8222
monochromatic
#091021 #152751 #223F82 #2F57B3 #4E75D1
Accessibility & contrast
On white
9.99
#223F82 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#223F82 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #223F82
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##223F82 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##223F82 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#184784
Deuteranopia (green-blind)
#003E81
Tritanopia (blue-blind)
#004F5A
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #223f82; /* rgb */ color: rgb(34, 63, 130); /* oklch */ color: oklch(38.5% 0.118 264.0);
Tailwind
colors: {
custom: {
50: '#6b73a7',
500: '#223f82',
950: '#000000',
},
}SCSS
$custom: #223f82; $custom-light: #6b73a7; $custom-dark: #000000;
JSON
{
"hex": "#223f82",
"rgb": {
"r": 34,
"g": 63,
"b": 130
},
"hsl": {
"h": 221.875,
"s": 58.537,
"l": 32.157
},
"oklch": {
"l": 0.38526,
"c": 0.11834,
"h": 264
},
"luminance": 0.05507
}Semantic roles & 50–950 ramp
primary
#223F82
secondary
#B4954C
accent
#B346E2
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#07080F
muted
#7A7B7F