#213CAF#213CAF
#213CAF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.185 H 267.1°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).
Color values
| HEX | #213CAF |
|---|---|
| RGB | rgb(33, 60, 175) |
| HSL | hsl(229, 68%, 41%) |
| HSV | hsv(229, 81%, 69%) |
| CMYK | cmyk(81.1%, 65.7%, 0%, 31.4%) |
| CIE-LAB | lab(30.99, 33.31, -63.76) |
| CIE-LCH | lch(30.99, 71.94, 297.58°) |
| OKLab | oklab(41.81% -0.0094 -0.1846) |
| OKLCH | oklch(41.81% 0.185 267.1) |
| XYZ | xyz(9.9782, 6.6490, 41.3066) |
| Luminance | 0.0665 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.26
Blue Blue
#2242C7
ΔE00 3.57
Cobalt
#0047AB
ΔE00 4.89
Ocean Blue
#4F42B5
ΔE00 5.72
Blueberry
#464196
ΔE00 5.95
Blue (survey)
#0343DF
ΔE00 6.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213CAF #AF9421
analogous
#2183AF #213CAF #4D21AF
triadic
#213CAF #AF213C #3CAF21
tetradic
#213CAF #AF2183 #AF9421 #21AF4D
square
#213CAF #AF2183 #AF9421 #21AF4D
split-complementary
#213CAF #AF4D21 #83AF21
monochromatic
#0E1948 #172A7C #213CAF #3454D9 #687FE3
Accessibility & contrast
On white
9.01
#213CAF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#213CAF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213CAF
9.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213CAF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213CAF | 1.00 | 9.01 | 2.33 | 9.01 |
| #FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B3
Deuteranopia (green-blind)
#0042AD
Tritanopia (blue-blind)
#005B70
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #213caf; /* rgb */ color: rgb(33, 60, 175); /* oklch */ color: oklch(41.8% 0.185 267.1);
Tailwind
colors: {
custom: {
50: '#7671c8',
500: '#213caf',
950: '#000000',
},
}SCSS
$custom: #213caf; $custom-light: #7671c8; $custom-dark: #000000;
JSON
{
"hex": "#213caf",
"rgb": {
"r": 33,
"g": 60,
"b": 175
},
"hsl": {
"h": 228.592,
"s": 68.269,
"l": 40.784
},
"oklch": {
"l": 0.41814,
"c": 0.18486,
"h": 267.1
},
"luminance": 0.0665
}Semantic roles & 50–950 ramp
primary
#213CAF
secondary
#C8B564
accent
#CA3DEB
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82