#213FA0#213FA0
#213FA0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.161 H 266.1°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).
Color values
| HEX | #213FA0 |
|---|---|
| RGB | rgb(33, 63, 160) |
| HSL | hsl(226, 66%, 38%) |
| HSV | hsv(226, 79%, 63%) |
| CMYK | cmyk(79.4%, 60.6%, 0%, 37.3%) |
| CIE-LAB | lab(30.44, 25.59, -55.66) |
| CIE-LCH | lch(30.44, 61.26, 294.69°) |
| OKLab | oklab(40.99% -0.011 -0.1609) |
| OKLCH | oklch(40.99% 0.161 266.1) |
| XYZ | xyz(8.7476, 6.4154, 34.0282) |
| Luminance | 0.0642 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.07
Cobalt
#0047AB
ΔE00 3.65
Cobalt (survey)
#1E488F
ΔE00 4.86
Blue Blue
#2242C7
ΔE00 5.46
Blueberry
#464196
ΔE00 5.48
Darkish Blue
#014182
ΔE00 6.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213FA0 #A08221
analogous
#217EA0 #213FA0 #4321A0
triadic
#213FA0 #A0213F #3FA021
tetradic
#213FA0 #A0217E #A08221 #21A043
square
#213FA0 #A0217E #A08221 #21A043
split-complementary
#213FA0 #A04321 #7EA021
monochromatic
#0C173B #172B6D #213FA0 #2B53D3 #5E7CDE
Accessibility & contrast
On white
9.20
#213FA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#213FA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213FA0
9.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213FA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213FA0 | 1.00 | 9.20 | 2.28 | 9.20 |
| #FFFFFF | 9.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA3
Deuteranopia (green-blind)
#00429E
Tritanopia (blue-blind)
#005869
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #213fa0; /* rgb */ color: rgb(33, 63, 160); /* oklch */ color: oklch(41.0% 0.161 266.1);
Tailwind
colors: {
custom: {
50: '#7273bd',
500: '#213fa0',
950: '#000000',
},
}SCSS
$custom: #213fa0; $custom-light: #7273bd; $custom-dark: #000000;
JSON
{
"hex": "#213fa0",
"rgb": {
"r": 33,
"g": 63,
"b": 160
},
"hsl": {
"h": 225.827,
"s": 65.803,
"l": 37.843
},
"oklch": {
"l": 0.40993,
"c": 0.16124,
"h": 266.1
},
"luminance": 0.06416
}Semantic roles & 50–950 ramp
primary
#213FA0
secondary
#C2AA5B
accent
#C13FE9
background
#F7F6FB
surface
#EDECF7
border
#C8C7D0
text
#090812
muted
#7B7B81