#23489C#23489C
#23489C is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.144 H 263.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).
Color values
| HEX | #23489C |
|---|---|
| RGB | rgb(35, 72, 156) |
| HSL | hsl(222, 63%, 37%) |
| HSV | hsv(222, 78%, 61%) |
| CMYK | cmyk(77.6%, 53.8%, 0%, 38.8%) |
| CIE-LAB | lab(32.68, 18.14, -49.59) |
| CIE-LCH | lch(32.68, 52.80, 290.09°) |
| OKLab | oklab(42.61% -0.0161 -0.1428) |
| OKLCH | oklch(42.61% 0.144 263.6) |
| XYZ | xyz(9.0091, 7.3913, 32.3979) |
| Luminance | 0.0739 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.21
Cobalt
#0047AB
ΔE00 2.32
Dusk Blue
#26538D
ΔE00 4.90
Sapphire
#0F52BA
ΔE00 4.90
Darkish Blue
#014182
ΔE00 4.95
Twilight Blue
#0A437A
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23489C #9C7723
analogous
#23849C #23489C #3B239C
triadic
#23489C #9C2348 #489C23
tetradic
#23489C #9C2384 #9C7723 #239C3B
square
#23489C #9C2384 #9C7723 #239C3B
split-complementary
#23489C #9C3B23 #849C23
monochromatic
#0D1A38 #18316A #23489C #2E5FCE #5E85DB
Accessibility & contrast
On white
8.47
#23489C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.48
#23489C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23489C
8.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23489C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23489C | 1.00 | 8.47 | 2.48 | 8.47 |
| #FFFFFF | 8.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#09539F
Deuteranopia (green-blind)
#00489A
Tritanopia (blue-blind)
#005C6B
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #23489c; /* rgb */ color: rgb(35, 72, 156); /* oklch */ color: oklch(42.6% 0.144 263.6);
Tailwind
colors: {
custom: {
50: '#717aba',
500: '#23489c',
950: '#000000',
},
}SCSS
$custom: #23489c; $custom-light: #717aba; $custom-dark: #000000;
JSON
{
"hex": "#23489c",
"rgb": {
"r": 35,
"g": 72,
"b": 156
},
"hsl": {
"h": 221.653,
"s": 63.351,
"l": 37.451
},
"oklch": {
"l": 0.42605,
"c": 0.14375,
"h": 263.6
},
"luminance": 0.07392
}Semantic roles & 50–950 ramp
primary
#23489C
secondary
#C0A15B
accent
#B441E6
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090912
muted
#7B7B81