#233CAF#233CAF
#233CAF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.184 H 267.6°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #233CAF |
|---|---|
| RGB | rgb(35, 60, 175) |
| HSL | hsl(229, 67%, 41%) |
| HSV | hsv(229, 80%, 69%) |
| CMYK | cmyk(80%, 65.7%, 0%, 31.4%) |
| CIE-LAB | lab(31.07, 33.48, -63.62) |
| CIE-LCH | lch(31.07, 71.90, 297.76°) |
| OKLab | oklab(41.9% -0.0077 -0.1842) |
| OKLCH | oklch(41.9% 0.184 267.6) |
| XYZ | xyz(10.0442, 6.6830, 41.3097) |
| Luminance | 0.0668 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.24
Blue Blue
#2242C7
ΔE00 3.55
Cobalt
#0047AB
ΔE00 5.01
Ocean Blue
#4F42B5
ΔE00 5.57
Blueberry
#464196
ΔE00 5.84
Blue (survey)
#0343DF
ΔE00 6.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#233CAF #AF9623
analogous
#2382AF #233CAF #5023AF
triadic
#233CAF #AF233C #3CAF23
tetradic
#233CAF #AF2382 #AF9623 #23AF50
square
#233CAF #AF2382 #AF9623 #23AF50
split-complementary
#233CAF #AF5023 #82AF23
monochromatic
#0F1949 #192B7C #233CAF #3854D7 #6B80E1
Accessibility & contrast
On white
8.99
#233CAF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#233CAF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #233CAF
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##233CAF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##233CAF | 1.00 | 8.99 | 2.34 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B3
Deuteranopia (green-blind)
#0043AD
Tritanopia (blue-blind)
#005B70
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #233caf; /* rgb */ color: rgb(35, 60, 175); /* oklch */ color: oklch(41.9% 0.184 267.6);
Tailwind
colors: {
custom: {
50: '#7671c8',
500: '#233caf',
950: '#000000',
},
}SCSS
$custom: #233caf; $custom-light: #7671c8; $custom-dark: #000000;
JSON
{
"hex": "#233caf",
"rgb": {
"r": 35,
"g": 60,
"b": 175
},
"hsl": {
"h": 229.286,
"s": 66.667,
"l": 41.176
},
"oklch": {
"l": 0.41895,
"c": 0.18435,
"h": 267.6
},
"luminance": 0.06684
}Semantic roles & 50–950 ramp
primary
#233CAF
secondary
#C7B666
accent
#CB3EEA
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82