#213CA9#213CA9
#213CA9 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.177 H 267.0°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).
Color values
| HEX | #213CA9 |
|---|---|
| RGB | rgb(33, 60, 169) |
| HSL | hsl(228, 67%, 40%) |
| HSV | hsv(228, 80%, 66%) |
| CMYK | cmyk(80.5%, 64.5%, 0%, 33.7%) |
| CIE-LAB | lab(30.44, 31.05, -61.07) |
| CIE-LCH | lch(30.44, 68.51, 296.95°) |
| OKLab | oklab(41.24% -0.0092 -0.1768) |
| OKLCH | oklch(41.24% 0.177 267) |
| XYZ | xyz(9.4020, 6.4185, 38.2718) |
| Luminance | 0.0642 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.33
Blue Blue
#2242C7
ΔE00 4.32
Cobalt
#0047AB
ΔE00 4.65
Blueberry
#464196
ΔE00 5.63
Ocean Blue
#4F42B5
ΔE00 6.14
Cobalt (survey)
#1E488F
ΔE00 6.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213CA9 #A98E21
analogous
#2180A9 #213CA9 #4A21A9
triadic
#213CA9 #A9213C #3CA921
tetradic
#213CA9 #A92180 #A98E21 #21A94A
square
#213CA9 #A92180 #A98E21 #21A94A
split-complementary
#213CA9 #A94A21 #80A921
monochromatic
#0D1843 #172A76 #213CA9 #3152D7 #647DE1
Accessibility & contrast
On white
9.19
#213CA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#213CA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213CA9
9.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213CA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213CA9 | 1.00 | 9.19 | 2.28 | 9.19 |
| #FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EAC
Deuteranopia (green-blind)
#0041A7
Tritanopia (blue-blind)
#00596D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #213ca9; /* rgb */ color: rgb(33, 60, 169); /* oklch */ color: oklch(41.2% 0.177 267.0);
Tailwind
colors: {
custom: {
50: '#7471c4',
500: '#213ca9',
950: '#000000',
},
}SCSS
$custom: #213ca9; $custom-light: #7471c4; $custom-dark: #000000;
JSON
{
"hex": "#213ca9",
"rgb": {
"r": 33,
"g": 60,
"b": 169
},
"hsl": {
"h": 228.088,
"s": 67.327,
"l": 39.608
},
"oklch": {
"l": 0.41242,
"c": 0.177,
"h": 267
},
"luminance": 0.0642
}Semantic roles & 50–950 ramp
primary
#213CA9
secondary
#C6B260
accent
#C83EEA
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82