#224DA8#224DA8
#224DA8 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.154 H 262.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).
Color values
| HEX | #224DA8 |
|---|---|
| RGB | rgb(34, 77, 168) |
| HSL | hsl(221, 66%, 40%) |
| HSV | hsv(221, 80%, 66%) |
| CMYK | cmyk(79.8%, 54.2%, 0%, 34.1%) |
| CIE-LAB | lab(34.95, 19.37, -53.12) |
| CIE-LCH | lch(34.95, 56.54, 290.04°) |
| OKLab | oklab(44.6% -0.0194 -0.1532) |
| OKLCH | oklch(44.6% 0.154 262.8) |
| XYZ | xyz(10.3789, 8.4738, 38.1268) |
| Luminance | 0.0848 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.16
Sapphire
#0F52BA
ΔE00 2.80
Cobalt (survey)
#1E488F
ΔE00 3.66
Dusk Blue
#26538D
ΔE00 4.57
Denim Blue
#3B5B92
ΔE00 5.63
Blue Blue
#2242C7
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#224DA8 #A87D22
analogous
#2290A8 #224DA8 #3A22A8
triadic
#224DA8 #A8224D #4DA822
tetradic
#224DA8 #A82290 #A87D22 #22A83A
square
#224DA8 #A82290 #A87D22 #22A83A
split-complementary
#224DA8 #A83A22 #90A822
monochromatic
#0D1E42 #183675 #224DA8 #3266D5 #658CE0
Accessibility & contrast
On white
7.79
#224DA8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.70
#224DA8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #224DA8
7.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##224DA8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##224DA8 | 1.00 | 7.79 | 2.70 | 7.79 |
| #FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0159AB
Deuteranopia (green-blind)
#004CA6
Tritanopia (blue-blind)
#006373
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #224da8; /* rgb */ color: rgb(34, 77, 168); /* oklch */ color: oklch(44.6% 0.154 262.8);
Tailwind
colors: {
custom: {
50: '#737ec3',
500: '#224da8',
950: '#000000',
},
}SCSS
$custom: #224da8; $custom-light: #737ec3; $custom-dark: #000000;
JSON
{
"hex": "#224da8",
"rgb": {
"r": 34,
"g": 77,
"b": 168
},
"hsl": {
"h": 220.746,
"s": 66.337,
"l": 39.608
},
"oklch": {
"l": 0.44599,
"c": 0.15439,
"h": 262.8
},
"luminance": 0.08475
}Semantic roles & 50–950 ramp
primary
#224DA8
secondary
#C5A561
accent
#B23FE9
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#090912
muted
#7B7B81