#213BBC#213BBC
#213BBC is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 42.9% C 0.203 H 267.3°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).
Color values
| HEX | #213BBC |
|---|---|
| RGB | rgb(33, 59, 188) |
| HSL | hsl(230, 70%, 43%) |
| HSV | hsv(230, 82%, 74%) |
| CMYK | cmyk(82.4%, 68.6%, 0%, 26.3%) |
| CIE-LAB | lab(31.99, 38.75, -69.83) |
| CIE-LCH | lch(31.99, 79.86, 299.03°) |
| OKLab | oklab(42.92% -0.0097 -0.2024) |
| OKLCH | oklch(42.92% 0.203 267.3) |
| XYZ | xyz(11.2651, 7.0807, 48.3402) |
| Luminance | 0.0708 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.41
Blue Blue
#2242C7
ΔE00 2.41
Blue (survey)
#0343DF
ΔE00 4.85
Ocean Blue
#4F42B5
ΔE00 5.22
Blue With A Hint Of Purple
#533CC6
ΔE00 5.85
Cobalt
#0047AB
ΔE00 5.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213BBC #BCA221
analogous
#2189BC #213BBC #5421BC
triadic
#213BBC #BC213B #3BBC21
tetradic
#213BBC #BC2189 #BCA221 #21BC54
square
#213BBC #BC2189 #BCA221 #21BC54
split-complementary
#213BBC #BC5421 #89BC21
monochromatic
#0F1A54 #182B88 #213BBC #3D58DD #7185E6
Accessibility & contrast
On white
8.69
#213BBC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#213BBC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213BBC
8.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213BBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213BBC | 1.00 | 8.69 | 2.42 | 8.69 |
| #FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0053C0
Deuteranopia (green-blind)
#0044BA
Tritanopia (blue-blind)
#005F77
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #213bbc; /* rgb */ color: rgb(33, 59, 188); /* oklch */ color: oklch(42.9% 0.203 267.3);
Tailwind
colors: {
custom: {
50: '#7971d1',
500: '#213bbc',
950: '#000000',
},
}SCSS
$custom: #213bbc; $custom-light: #7971d1; $custom-dark: #000000;
JSON
{
"hex": "#213bbc",
"rgb": {
"r": 33,
"g": 59,
"b": 188
},
"hsl": {
"h": 229.935,
"s": 70.136,
"l": 43.333
},
"oklch": {
"l": 0.42917,
"c": 0.20259,
"h": 267.3
},
"luminance": 0.07082
}Semantic roles & 50–950 ramp
primary
#213BBC
secondary
#CDBD6C
accent
#CF3BED
background
#F8F6FD
surface
#EFECFA
border
#CAC7D3
text
#0B0714
muted
#7C7A83