#233188#233188
#233188 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.145 H 270.3°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).
Color values
| HEX | #233188 |
|---|---|
| RGB | rgb(35, 49, 136) |
| HSL | hsl(232, 59%, 34%) |
| HSV | hsv(232, 74%, 53%) |
| CMYK | cmyk(74.3%, 64%, 0%, 46.7%) |
| CIE-LAB | lab(24.74, 26.05, -50.23) |
| CIE-LCH | lch(24.74, 56.59, 297.41°) |
| OKLab | oklab(36.14% 0.0007 -0.1451) |
| OKLCH | oklch(36.14% 0.145 270.3) |
| XYZ | xyz(6.2339, 4.3309, 23.7952) |
| Luminance | 0.0433 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 5.25
Darkslateblue
#483D8B
ΔE00 6.25
Blueberry
#464196
ΔE00 6.31
Midnight Blue
#191970
ΔE00 7.12
Royal
#0C1793
ΔE00 7.22
Marine
#042E60
ΔE00 7.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#233188 #887A23
analogous
#236388 #233188 #472388
triadic
#233188 #882331 #318823
tetradic
#233188 #882363 #887A23 #238847
square
#233188 #882363 #887A23 #238847
split-complementary
#233188 #884723 #638823
monochromatic
#0A0E27 #161F57 #233188 #3043B9 #5364D3
Accessibility & contrast
On white
11.25
#233188 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.87
#233188 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #233188
11.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##233188 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##233188 | 1.00 | 11.25 | 1.87 | 11.25 |
| #FFFFFF | 11.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00408B
Deuteranopia (green-blind)
#003686
Tritanopia (blue-blind)
#004757
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #233188; /* rgb */ color: rgb(35, 49, 136); /* oklch */ color: oklch(36.1% 0.145 270.3);
Tailwind
colors: {
custom: {
50: '#6d69ab',
500: '#233188',
950: '#000000',
},
}SCSS
$custom: #233188; $custom-light: #6d69ab; $custom-dark: #000000;
JSON
{
"hex": "#233188",
"rgb": {
"r": 35,
"g": 49,
"b": 136
},
"hsl": {
"h": 231.683,
"s": 59.064,
"l": 33.529
},
"oklch": {
"l": 0.36143,
"c": 0.14508,
"h": 270.3
},
"luminance": 0.04332
}Semantic roles & 50–950 ramp
primary
#233188
secondary
#B7A850
accent
#CD46E2
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#080610
muted
#7B7A7F