#25509F#25509F
#25509F is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.137 H 261.3°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).
Color values
| HEX | #25509F |
|---|---|
| RGB | rgb(37, 80, 159) |
| HSL | hsl(219, 62%, 38%) |
| HSV | hsv(219, 77%, 62%) |
| CMYK | cmyk(76.7%, 49.7%, 0%, 37.6%) |
| CIE-LAB | lab(35.27, 14.17, -47.21) |
| CIE-LCH | lch(35.27, 49.30, 286.71°) |
| OKLab | oklab(44.67% -0.0208 -0.1357) |
| OKLCH | oklch(44.67% 0.137 261.3) |
| XYZ | xyz(9.8874, 8.6327, 33.9394) |
| Luminance | 0.0863 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.95
Cobalt (survey)
#1E488F
ΔE00 3.14
Sapphire
#0F52BA
ΔE00 3.39
Cobalt
#0047AB
ΔE00 3.44
Denim Blue
#3B5B92
ΔE00 4.29
Light Navy Blue
#2E5A88
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#25509F #9F7425
analogous
#258D9F #25509F #37259F
triadic
#25509F #9F2550 #509F25
tetradic
#25509F #9F258D #9F7425 #259F37
square
#25509F #9F258D #9F7425 #259F37
split-complementary
#25509F #9F3725 #8D9F25
monochromatic
#0E1E3C #19376D #25509F #3269CF #648EDB
Accessibility & contrast
On white
7.70
#25509F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#25509F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #25509F
7.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##25509F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##25509F | 1.00 | 7.70 | 2.73 | 7.70 |
| #FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2259A2
Deuteranopia (green-blind)
#004E9D
Tritanopia (blue-blind)
#006370
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #25509f; /* rgb */ color: rgb(37, 80, 159); /* oklch */ color: oklch(44.7% 0.137 261.3);
Tailwind
colors: {
custom: {
50: '#7280bc',
500: '#25509f',
950: '#000000',
},
}SCSS
$custom: #25509f; $custom-light: #7280bc; $custom-dark: #000000;
JSON
{
"hex": "#25509f",
"rgb": {
"r": 37,
"g": 80,
"b": 159
},
"hsl": {
"h": 218.852,
"s": 62.245,
"l": 38.431
},
"oklch": {
"l": 0.44665,
"c": 0.13725,
"h": 261.3
},
"luminance": 0.08634
}Semantic roles & 50–950 ramp
primary
#25509F
secondary
#C09E5F
accent
#AC42E5
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#090A12
muted
#7B7C81