#23478F#23478F
#23478F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.4% C 0.127 H 262.3°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).
Color values
| HEX | #23478F |
|---|---|
| RGB | rgb(35, 71, 143) |
| HSL | hsl(220, 61%, 35%) |
| HSV | hsv(220, 76%, 56%) |
| CMYK | cmyk(75.5%, 50.3%, 0%, 43.9%) |
| CIE-LAB | lab(31.45, 13.69, -43.66) |
| CIE-LCH | lch(31.45, 45.75, 287.41°) |
| OKLab | oklab(41.37% -0.0169 -0.1254) |
| OKLCH | oklch(41.37% 0.127 262.3) |
| XYZ | xyz(7.9025, 6.8461, 26.8862) |
| Luminance | 0.0685 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.86
Darkish Blue
#014182
ΔE00 3.53
Cobalt
#0047AB
ΔE00 3.80
Twilight Blue
#0A437A
ΔE00 4.25
Dusk Blue
#26538D
ΔE00 4.45
Light Navy
#155084
ΔE00 5.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23478F #8F6B23
analogous
#237D8F #23478F #35238F
triadic
#23478F #8F2347 #478F23
tetradic
#23478F #8F237D #8F6B23 #238F35
square
#23478F #8F237D #8F6B23 #238F35
split-complementary
#23478F #8F3523 #7D8F23
monochromatic
#0B162D #172F5E #23478F #2F5FC0 #5781D6
Accessibility & contrast
On white
8.86
#23478F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.37
#23478F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23478F
8.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23478F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23478F | 1.00 | 8.86 | 2.37 | 8.86 |
| #FFFFFF | 8.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D4F92
Deuteranopia (green-blind)
#00458E
Tritanopia (blue-blind)
#005864
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #23478f; /* rgb */ color: rgb(35, 71, 143); /* oklch */ color: oklch(41.4% 0.127 262.3);
Tailwind
colors: {
custom: {
50: '#6e79b0',
500: '#23478f',
950: '#000000',
},
}SCSS
$custom: #23478f; $custom-light: #6e79b0; $custom-dark: #000000;
JSON
{
"hex": "#23478f",
"rgb": {
"r": 35,
"g": 71,
"b": 143
},
"hsl": {
"h": 220,
"s": 60.674,
"l": 34.902
},
"oklch": {
"l": 0.41371,
"c": 0.12654,
"h": 262.3
},
"luminance": 0.06847
}Semantic roles & 50–950 ramp
primary
#23478F
secondary
#BA9854
accent
#AF44E4
background
#F7F7FA
surface
#EDEDF5
border
#C8C8CF
text
#080910
muted
#7B7B7F