#233C97#233C97
#233C97 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.152 H 267.2°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).
Color values
| HEX | #233C97 |
|---|---|
| RGB | rgb(35, 60, 151) |
| HSL | hsl(227, 62%, 36%) |
| HSV | hsv(227, 77%, 59%) |
| CMYK | cmyk(76.8%, 60.3%, 0%, 40.8%) |
| CIE-LAB | lab(28.96, 24.35, -52.60) |
| CIE-LCH | lch(28.96, 57.96, 294.84°) |
| OKLab | oklab(39.68% -0.0074 -0.1519) |
| OKLCH | oklch(39.68% 0.152 267.2) |
| XYZ | xyz(7.8930, 5.8225, 29.9800) |
| Luminance | 0.0582 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.46
Cobalt
#0047AB
ΔE00 4.88
Cobalt (survey)
#1E488F
ΔE00 5.16
Blueberry
#464196
ΔE00 5.19
Darkish Blue
#014182
ΔE00 6.08
Darkslateblue
#483D8B
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#233C97 #977E23
analogous
#237697 #233C97 #442397
triadic
#233C97 #97233C #3C9723
tetradic
#233C97 #972376 #977E23 #239744
square
#233C97 #972376 #977E23 #239744
split-complementary
#233C97 #974423 #769723
monochromatic
#0C1534 #172865 #233C97 #2F50C9 #5B76D9
Accessibility & contrast
On white
9.70
#233C97 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.16
#233C97 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #233C97
9.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##233C97 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##233C97 | 1.00 | 9.70 | 2.16 | 9.70 |
| #FFFFFF | 9.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004A9A
Deuteranopia (green-blind)
#003F95
Tritanopia (blue-blind)
#005363
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #233c97; /* rgb */ color: rgb(35, 60, 151); /* oklch */ color: oklch(39.7% 0.152 267.2);
Tailwind
colors: {
custom: {
50: '#7071b6',
500: '#233c97',
950: '#000000',
},
}SCSS
$custom: #233c97; $custom-light: #7071b6; $custom-dark: #000000;
JSON
{
"hex": "#233c97",
"rgb": {
"r": 35,
"g": 60,
"b": 151
},
"hsl": {
"h": 227.069,
"s": 62.366,
"l": 36.471
},
"oklch": {
"l": 0.3968,
"c": 0.15206,
"h": 267.2
},
"luminance": 0.05823
}Semantic roles & 50–950 ramp
primary
#233C97
secondary
#BEA858
accent
#C242E5
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#090711
muted
#7B7A80