#224CB1#224CB1
#224CB1 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.168 H 263.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).
Color values
| HEX | #224CB1 |
|---|---|
| RGB | rgb(34, 76, 177) |
| HSL | hsl(222, 68%, 41%) |
| HSV | hsv(222, 81%, 69%) |
| CMYK | cmyk(80.8%, 57.1%, 0%, 30.6%) |
| CIE-LAB | lab(35.36, 23.56, -57.80) |
| CIE-LCH | lch(35.36, 62.42, 292.18°) |
| OKLab | oklab(45.13% -0.018 -0.1669) |
| OKLCH | oklch(45.13% 0.168 263.8) |
| XYZ | xyz(11.1771, 8.6820, 42.6732) |
| Luminance | 0.0868 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.29
Sapphire
#0F52BA
ΔE00 2.64
Blue Blue
#2242C7
ΔE00 4.85
Cobalt (survey)
#1E488F
ΔE00 4.88
Dusk Blue
#26538D
ΔE00 5.85
Sapphire (survey)
#2138AB
ΔE00 6.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#224CB1 #B18722
analogous
#2294B1 #224CB1 #4022B1
triadic
#224CB1 #B1224C #4CB122
tetradic
#224CB1 #B12294 #B18722 #22B140
square
#224CB1 #B12294 #B18722 #22B140
split-complementary
#224CB1 #B14022 #94B122
monochromatic
#0E204A #18367E #224CB1 #3867D9 #6B8EE3
Accessibility & contrast
On white
7.67
#224CB1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.74
#224CB1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #224CB1
7.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##224CB1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##224CB1 | 1.00 | 7.67 | 2.74 | 7.67 |
| #FFFFFF | 7.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AB4
Deuteranopia (green-blind)
#004DAF
Tritanopia (blue-blind)
#006577
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #224cb1; /* rgb */ color: rgb(34, 76, 177); /* oklch */ color: oklch(45.1% 0.168 263.8);
Tailwind
colors: {
custom: {
50: '#757dc9',
500: '#224cb1',
950: '#000000',
},
}SCSS
$custom: #224cb1; $custom-light: #757dc9; $custom-dark: #000000;
JSON
{
"hex": "#224cb1",
"rgb": {
"r": 34,
"g": 76,
"b": 177
},
"hsl": {
"h": 222.378,
"s": 67.773,
"l": 41.373
},
"oklch": {
"l": 0.45129,
"c": 0.16791,
"h": 263.8
},
"luminance": 0.08683
}Semantic roles & 50–950 ramp
primary
#224CB1
secondary
#C9AC66
accent
#B83DEB
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82