#203BBC#203BBC
#203BBC is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 42.9% C 0.203 H 267.0°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).
Color values
| HEX | #203BBC |
|---|---|
| RGB | rgb(32, 59, 188) |
| HSL | hsl(230, 71%, 43%) |
| HSV | hsv(230, 83%, 74%) |
| CMYK | cmyk(83%, 68.6%, 0%, 26.3%) |
| CIE-LAB | lab(31.95, 38.68, -69.89) |
| CIE-LCH | lch(31.95, 79.88, 298.96°) |
| OKLab | oklab(42.88% -0.0104 -0.2025) |
| OKLCH | oklch(42.88% 0.203 267) |
| XYZ | xyz(11.2336, 7.0645, 48.3387) |
| Luminance | 0.0707 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.40
Blue Blue
#2242C7
ΔE00 2.42
Blue (survey)
#0343DF
ΔE00 4.85
Ocean Blue
#4F42B5
ΔE00 5.29
Blue With A Hint Of Purple
#533CC6
ΔE00 5.92
Cobalt
#0047AB
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#203BBC #BCA120
analogous
#2089BC #203BBC #5320BC
triadic
#203BBC #BC203B #3BBC20
tetradic
#203BBC #BC2089 #BCA120 #20BC53
square
#203BBC #BC2089 #BCA120 #20BC53
split-complementary
#203BBC #BC5320 #89BC20
monochromatic
#0E1A53 #172B88 #203BBC #3B58DE #7084E7
Accessibility & contrast
On white
8.70
#203BBC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#203BBC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #203BBC
8.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##203BBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##203BBC | 1.00 | 8.70 | 2.41 | 8.70 |
| #FFFFFF | 8.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.70 | 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: #203bbc; /* rgb */ color: rgb(32, 59, 188); /* oklch */ color: oklch(42.9% 0.203 267.0);
Tailwind
colors: {
custom: {
50: '#7971d1',
500: '#203bbc',
950: '#000000',
},
}SCSS
$custom: #203bbc; $custom-light: #7971d1; $custom-dark: #000000;
JSON
{
"hex": "#203bbc",
"rgb": {
"r": 32,
"g": 59,
"b": 188
},
"hsl": {
"h": 229.615,
"s": 70.909,
"l": 43.137
},
"oklch": {
"l": 0.4288,
"c": 0.20282,
"h": 267
},
"luminance": 0.07066
}Semantic roles & 50–950 ramp
primary
#203BBC
secondary
#CDBC6B
accent
#CF3AEE
background
#F8F6FD
surface
#EFECFA
border
#CAC7D3
text
#0B0714
muted
#7C7A83