#25458F#25458F
#25458F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.0% C 0.128 H 264.0°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).
Color values
| HEX | #25458F |
|---|---|
| RGB | rgb(37, 69, 143) |
| HSL | hsl(222, 59%, 35%) |
| HSV | hsv(222, 74%, 56%) |
| CMYK | cmyk(74.1%, 51.7%, 0%, 43.9%) |
| CIE-LAB | lab(30.95, 15.33, -44.46) |
| CIE-LCH | lch(30.95, 47.03, 289.03°) |
| OKLab | oklab(41.01% -0.0134 -0.1278) |
| OKLCH | oklch(41.01% 0.128 264) |
| XYZ | xyz(7.8472, 6.6319, 26.8478) |
| Luminance | 0.0663 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.73
Darkish Blue
#014182
ΔE00 3.83
Cobalt
#0047AB
ΔE00 3.96
Twilight Blue
#0A437A
ΔE00 4.68
Dusk Blue
#26538D
ΔE00 5.29
Prussian Blue
#004577
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#25458F #8F6F25
analogous
#257A8F #25458F #3A258F
triadic
#25458F #8F2545 #458F25
tetradic
#25458F #8F257A #8F6F25 #258F3A
square
#25458F #8F257A #8F6F25 #258F3A
split-complementary
#25458F #8F3A25 #7A8F25
monochromatic
#0C162E #182E5E #25458F #325CC0 #5A7FD4
Accessibility & contrast
On white
9.03
#25458F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#25458F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #25458F
9.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##25458F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##25458F | 1.00 | 9.03 | 2.33 | 9.03 |
| #FFFFFF | 9.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#184E92
Deuteranopia (green-blind)
#00448E
Tritanopia (blue-blind)
#005763
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #25458f; /* rgb */ color: rgb(37, 69, 143); /* oklch */ color: oklch(41.0% 0.128 264.0);
Tailwind
colors: {
custom: {
50: '#6e78b0',
500: '#25458f',
950: '#000000',
},
}SCSS
$custom: #25458f; $custom-light: #6e78b0; $custom-dark: #000000;
JSON
{
"hex": "#25458f",
"rgb": {
"r": 37,
"g": 69,
"b": 143
},
"hsl": {
"h": 221.887,
"s": 58.889,
"l": 35.294
},
"oklch": {
"l": 0.41012,
"c": 0.12848,
"h": 264
},
"luminance": 0.06633
}Semantic roles & 50–950 ramp
primary
#25458F
secondary
#B99B57
accent
#B346E2
background
#F7F7FA
surface
#EDEDF5
border
#C8C8CF
text
#080810
muted
#7B7B7F