#25409B#25409B
#25409B is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.152 H 266.8°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).
Color values
| HEX | #25409B |
|---|---|
| RGB | rgb(37, 64, 155) |
| HSL | hsl(226, 61%, 38%) |
| HSV | hsv(226, 76%, 61%) |
| CMYK | cmyk(76.1%, 58.7%, 0%, 39.2%) |
| CIE-LAB | lab(30.46, 23.42, -52.58) |
| CIE-LCH | lch(30.46, 57.56, 294.01°) |
| OKLab | oklab(40.93% -0.0084 -0.1517) |
| OKLCH | oklch(40.93% 0.152 266.8) |
| XYZ | xyz(8.5107, 6.4257, 31.7957) |
| Luminance | 0.0643 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.77
Cobalt
#0047AB
ΔE00 3.80
Cobalt (survey)
#1E488F
ΔE00 4.32
Blueberry
#464196
ΔE00 5.18
Darkish Blue
#014182
ΔE00 5.85
Blue Blue
#2242C7
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#25409B #9B8025
analogous
#257B9B #25409B #45259B
triadic
#25409B #9B2540 #409B25
tetradic
#25409B #9B257B #9B8025 #259B45
square
#25409B #9B257B #9B8025 #259B45
split-complementary
#25409B #9B4525 #7B9B25
monochromatic
#0D1738 #192C6A #25409B #3154CC #617DD9
Accessibility & contrast
On white
9.19
#25409B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#25409B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #25409B
9.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##25409B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##25409B | 1.00 | 9.19 | 2.29 | 9.19 |
| #FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004D9E
Deuteranopia (green-blind)
#004299
Tritanopia (blue-blind)
#005767
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #25409b; /* rgb */ color: rgb(37, 64, 155); /* oklch */ color: oklch(40.9% 0.152 266.8);
Tailwind
colors: {
custom: {
50: '#7274b9',
500: '#25409b',
950: '#000000',
},
}SCSS
$custom: #25409b; $custom-light: #7274b9; $custom-dark: #000000;
JSON
{
"hex": "#25409b",
"rgb": {
"r": 37,
"g": 64,
"b": 155
},
"hsl": {
"h": 226.271,
"s": 61.458,
"l": 37.647
},
"oklch": {
"l": 0.4093,
"c": 0.15197,
"h": 266.8
},
"luminance": 0.06427
}Semantic roles & 50–950 ramp
primary
#25409B
secondary
#BFA85D
accent
#C043E5
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090812
muted
#7B7B81