#213CA0#213CA0
#213CA0 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.165 H 266.9°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).
Color values
| HEX | #213CA0 |
|---|---|
| RGB | rgb(33, 60, 160) |
| HSL | hsl(227, 66%, 38%) |
| HSV | hsv(227, 79%, 63%) |
| CMYK | cmyk(79.4%, 62.5%, 0%, 37.3%) |
| CIE-LAB | lab(29.64, 27.61, -56.96) |
| CIE-LCH | lch(29.64, 63.29, 295.86°) |
| OKLab | oklab(40.4% -0.009 -0.1647) |
| OKLCH | oklch(40.4% 0.165 266.9) |
| XYZ | xyz(8.5860, 6.0921, 33.9743) |
| Luminance | 0.0609 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.27
Cobalt
#0047AB
ΔE00 4.53
Blueberry
#464196
ΔE00 5.35
Blue Blue
#2242C7
ΔE00 5.52
Cobalt (survey)
#1E488F
ΔE00 5.76
Darkslateblue
#483D8B
ΔE00 6.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213CA0 #A08521
analogous
#217BA0 #213CA0 #4521A0
triadic
#213CA0 #A0213C #3CA021
tetradic
#213CA0 #A0217B #A08521 #21A045
square
#213CA0 #A0217B #A08521 #21A045
split-complementary
#213CA0 #A04521 #7BA021
monochromatic
#0C163B #17296D #213CA0 #2B4FD3 #5E79DE
Accessibility & contrast
On white
9.47
#213CA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.22
#213CA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213CA0
9.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213CA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213CA0 | 1.00 | 9.47 | 2.22 | 9.47 |
| #FFFFFF | 9.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CA3
Deuteranopia (green-blind)
#00409E
Tritanopia (blue-blind)
#005668
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #213ca0; /* rgb */ color: rgb(33, 60, 160); /* oklch */ color: oklch(40.4% 0.165 266.9);
Tailwind
colors: {
custom: {
50: '#7271bd',
500: '#213ca0',
950: '#000000',
},
}SCSS
$custom: #213ca0; $custom-light: #7271bd; $custom-dark: #000000;
JSON
{
"hex": "#213ca0",
"rgb": {
"r": 33,
"g": 60,
"b": 160
},
"hsl": {
"h": 227.244,
"s": 65.803,
"l": 37.843
},
"oklch": {
"l": 0.40403,
"c": 0.16496,
"h": 266.9
},
"luminance": 0.06093
}Semantic roles & 50–950 ramp
primary
#213CA0
secondary
#C2AC5B
accent
#C53FE9
background
#F7F6FB
surface
#EDECF7
border
#C8C7D0
text
#090712
muted
#7B7A81