#23499F#23499F
#23499F is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.1% C 0.147 H 263.5°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).
Color values
| HEX | #23499F |
|---|---|
| RGB | rgb(35, 73, 159) |
| HSL | hsl(222, 64%, 38%) |
| HSV | hsv(222, 78%, 62%) |
| CMYK | cmyk(78%, 54.1%, 0%, 37.6%) |
| CIE-LAB | lab(33.19, 18.64, -50.58) |
| CIE-LCH | lch(33.19, 53.90, 290.23°) |
| OKLab | oklab(43.06% -0.0166 -0.1457) |
| OKLCH | oklch(43.06% 0.147 263.5) |
| XYZ | xyz(9.3315, 7.6246, 33.7741) |
| Luminance | 0.0763 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.07
Cobalt (survey)
#1E488F
ΔE00 2.52
Sapphire
#0F52BA
ΔE00 4.43
Dusk Blue
#26538D
ΔE00 4.83
Darkish Blue
#014182
ΔE00 5.32
Twilight Blue
#0A437A
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23499F #9F7923
analogous
#23879F #23499F #3B239F
triadic
#23499F #9F2349 #499F23
tetradic
#23499F #9F2387 #9F7923 #239F3B
square
#23499F #9F2387 #9F7923 #239F3B
split-complementary
#23499F #9F3B23 #879F23
monochromatic
#0D1B3B #18326D #23499F #2E60D1 #6086DC
Accessibility & contrast
On white
8.32
#23499F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.53
#23499F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23499F
8.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23499F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23499F | 1.00 | 8.32 | 2.53 | 8.32 |
| #FFFFFF | 8.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0554A2
Deuteranopia (green-blind)
#00499D
Tritanopia (blue-blind)
#005E6D
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #23499f; /* rgb */ color: rgb(35, 73, 159); /* oklch */ color: oklch(43.1% 0.147 263.5);
Tailwind
colors: {
custom: {
50: '#717bbc',
500: '#23499f',
950: '#000000',
},
}SCSS
$custom: #23499f; $custom-light: #717bbc; $custom-dark: #000000;
JSON
{
"hex": "#23499f",
"rgb": {
"r": 35,
"g": 73,
"b": 159
},
"hsl": {
"h": 221.613,
"s": 63.918,
"l": 38.039
},
"oklch": {
"l": 0.4306,
"c": 0.14667,
"h": 263.5
},
"luminance": 0.07626
}Semantic roles & 50–950 ramp
primary
#23499F
secondary
#C1A25D
accent
#B441E7
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090912
muted
#7B7B81