#253B80#253B80
#253B80 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.120 H 267.1°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).
Color values
| HEX | #253B80 |
|---|---|
| RGB | rgb(37, 59, 128) |
| HSL | hsl(225, 55%, 32%) |
| HSV | hsv(225, 71%, 50%) |
| CMYK | cmyk(71.1%, 53.9%, 0%, 49.8%) |
| CIE-LAB | lab(26.96, 16.34, -41.62) |
| CIE-LCH | lch(26.96, 44.71, 291.44°) |
| OKLab | oklab(37.63% -0.006 -0.1196) |
| OKLCH | oklch(37.63% 0.12 267.1) |
| XYZ | xyz(6.2218, 5.0791, 21.0704) |
| Luminance | 0.0508 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 4.90
Cobalt (survey)
#1E488F
ΔE00 5.07
Marine Blue
#01386A
ΔE00 5.61
Twilight Blue
#0A437A
ΔE00 5.79
Marine
#042E60
ΔE00 6.31
Blueberry
#464196
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#253B80 #806A25
analogous
#256880 #253B80 #3D2580
triadic
#253B80 #80253B #3B8025
tetradic
#253B80 #802568 #806A25 #25803D
square
#253B80 #802568 #806A25 #25803D
split-complementary
#253B80 #803D25 #688025
monochromatic
#0A0F21 #172551 #253B80 #3351AF #5270CD
Accessibility & contrast
On white
10.42
#253B80 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.02
#253B80 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #253B80
10.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##253B80 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##253B80 | 1.00 | 10.42 | 2.02 | 10.42 |
| #FFFFFF | 10.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0F4482
Deuteranopia (green-blind)
#003C7F
Tritanopia (blue-blind)
#004B57
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #253b80; /* rgb */ color: rgb(37, 59, 128); /* oklch */ color: oklch(37.6% 0.120 267.1);
Tailwind
colors: {
custom: {
50: '#6c70a5',
500: '#253b80',
950: '#000000',
},
}SCSS
$custom: #253b80; $custom-light: #6c70a5; $custom-dark: #000000;
JSON
{
"hex": "#253b80",
"rgb": {
"r": 37,
"g": 59,
"b": 128
},
"hsl": {
"h": 225.495,
"s": 55.152,
"l": 32.353
},
"oklch": {
"l": 0.3763,
"c": 0.11972,
"h": 267.1
},
"luminance": 0.0508
}Semantic roles & 50–950 ramp
primary
#253B80
secondary
#B19A50
accent
#BA49DE
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#07070F
muted
#7A7A7F