#23478C#23478C
#23478C is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.1% C 0.122 H 261.9°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).
Color values
| HEX | #23478C |
|---|---|
| RGB | rgb(35, 71, 140) |
| HSL | hsl(219, 60%, 34%) |
| HSV | hsv(219, 75%, 55%) |
| CMYK | cmyk(75%, 49.3%, 0%, 45.1%) |
| CIE-LAB | lab(31.25, 12.50, -42.15) |
| CIE-LCH | lch(31.25, 43.97, 286.52°) |
| OKLab | oklab(41.15% -0.0173 -0.121) |
| OKLCH | oklch(41.15% 0.122 261.9) |
| XYZ | xyz(7.6783, 6.7564, 25.7053) |
| Luminance | 0.0676 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.81
Darkish Blue
#014182
ΔE00 3.27
Twilight Blue
#0A437A
ΔE00 3.91
Cobalt
#0047AB
ΔE00 4.18
Dusk Blue
#26538D
ΔE00 4.34
Prussian Blue
#004577
ΔE00 5.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23478C #8C6823
analogous
#237C8C #23478C #34238C
triadic
#23478C #8C2347 #478C23
tetradic
#23478C #8C237C #8C6823 #238C34
square
#23478C #8C237C #8C6823 #238C34
split-complementary
#23478C #8C3423 #7C8C23
monochromatic
#0B152A #172E5B #23478C #2F60BD #5581D4
Accessibility & contrast
On white
8.93
#23478C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#23478C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23478C
8.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23478C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23478C | 1.00 | 8.93 | 2.35 | 8.93 |
| #FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#214F8F
Deuteranopia (green-blind)
#02458B
Tritanopia (blue-blind)
#005762
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #23478c; /* rgb */ color: rgb(35, 71, 140); /* oklch */ color: oklch(41.1% 0.122 261.9);
Tailwind
colors: {
custom: {
50: '#6d79ae',
500: '#23478c',
950: '#000000',
},
}SCSS
$custom: #23478c; $custom-light: #6d79ae; $custom-dark: #000000;
JSON
{
"hex": "#23478c",
"rgb": {
"r": 35,
"g": 71,
"b": 140
},
"hsl": {
"h": 219.429,
"s": 60,
"l": 34.314
},
"oklch": {
"l": 0.41145,
"c": 0.12221,
"h": 261.9
},
"luminance": 0.06757
}Semantic roles & 50–950 ramp
primary
#23478C
secondary
#B89552
accent
#AD45E3
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080910
muted
#7B7B7F