#23489A#23489A
#23489A is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.141 H 263.3°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).
Color values
| HEX | #23489A |
|---|---|
| RGB | rgb(35, 72, 154) |
| HSL | hsl(221, 63%, 37%) |
| HSV | hsv(221, 77%, 60%) |
| CMYK | cmyk(77.3%, 53.2%, 0%, 39.6%) |
| CIE-LAB | lab(32.53, 17.35, -48.62) |
| CIE-LCH | lch(32.53, 51.62, 289.64°) |
| OKLab | oklab(42.45% -0.0163 -0.14) |
| OKLCH | oklch(42.45% 0.141 263.3) |
| XYZ | xyz(8.8412, 7.3242, 31.5133) |
| Luminance | 0.0732 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.93
Cobalt
#0047AB
ΔE00 2.52
Darkish Blue
#014182
ΔE00 4.72
Dusk Blue
#26538D
ΔE00 4.74
Sapphire
#0F52BA
ΔE00 5.07
Twilight Blue
#0A437A
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23489A #9A7523
analogous
#23839A #23489A #3A239A
triadic
#23489A #9A2348 #489A23
tetradic
#23489A #9A2383 #9A7523 #239A3A
square
#23489A #9A2383 #9A7523 #239A3A
split-complementary
#23489A #9A3A23 #839A23
monochromatic
#0C1936 #183168 #23489A #2E5FCC #5D84DA
Accessibility & contrast
On white
8.52
#23489A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#23489A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23489A
8.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23489A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23489A | 1.00 | 8.52 | 2.47 | 8.52 |
| #FFFFFF | 8.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0E529D
Deuteranopia (green-blind)
#004798
Tritanopia (blue-blind)
#005C6A
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #23489a; /* rgb */ color: rgb(35, 72, 154); /* oklch */ color: oklch(42.4% 0.141 263.3);
Tailwind
colors: {
custom: {
50: '#707ab8',
500: '#23489a',
950: '#000000',
},
}SCSS
$custom: #23489a; $custom-light: #707ab8; $custom-dark: #000000;
JSON
{
"hex": "#23489a",
"rgb": {
"r": 35,
"g": 72,
"b": 154
},
"hsl": {
"h": 221.345,
"s": 62.963,
"l": 37.059
},
"oklch": {
"l": 0.42445,
"c": 0.14093,
"h": 263.3
},
"luminance": 0.07325
}Semantic roles & 50–950 ramp
primary
#23489A
secondary
#BFA05A
accent
#B342E6
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090911
muted
#7B7B80