#253AA0#253AA0
#253AA0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.166 H 268.5°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).
Color values
| HEX | #253AA0 |
|---|---|
| RGB | rgb(37, 58, 160) |
| HSL | hsl(230, 62%, 39%) |
| HSV | hsv(230, 77%, 63%) |
| CMYK | cmyk(76.9%, 63.8%, 0%, 37.3%) |
| CIE-LAB | lab(29.30, 29.37, -57.51) |
| CIE-LCH | lch(29.30, 64.57, 297.05°) |
| OKLab | oklab(40.2% -0.0042 -0.1663) |
| OKLCH | oklch(40.2% 0.166 268.5) |
| XYZ | xyz(8.6190, 5.9565, 33.9464) |
| Luminance | 0.0596 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.75
Blueberry
#464196
ΔE00 5.05
Cobalt
#0047AB
ΔE00 5.37
Blue Blue
#2242C7
ΔE00 5.61
Darkslateblue
#483D8B
ΔE00 6.46
Ocean Blue
#4F42B5
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#253AA0 #A08B25
analogous
#2577A0 #253AA0 #4D25A0
triadic
#253AA0 #A0253A #3AA025
tetradic
#253AA0 #A02577 #A08B25 #25A04D
square
#253AA0 #A02577 #A08B25 #25A04D
split-complementary
#253AA0 #A04D25 #77A025
monochromatic
#0E163D #1A286E #253AA0 #324DD0 #6479DB
Accessibility & contrast
On white
9.58
#253AA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.19
#253AA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #253AA0
9.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##253AA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##253AA0 | 1.00 | 9.58 | 2.19 | 9.58 |
| #FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004BA3
Deuteranopia (green-blind)
#003F9E
Tritanopia (blue-blind)
#005567
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #253aa0; /* rgb */ color: rgb(37, 58, 160); /* oklch */ color: oklch(40.2% 0.166 268.5);
Tailwind
colors: {
custom: {
50: '#7370bd',
500: '#253aa0',
950: '#000000',
},
}SCSS
$custom: #253aa0; $custom-light: #7370bd; $custom-dark: #000000;
JSON
{
"hex": "#253aa0",
"rgb": {
"r": 37,
"g": 58,
"b": 160
},
"hsl": {
"h": 229.756,
"s": 62.437,
"l": 38.627
},
"oklch": {
"l": 0.402,
"c": 0.16632,
"h": 268.5
},
"luminance": 0.05957
}Semantic roles & 50–950 ramp
primary
#253AA0
secondary
#C1B060
accent
#CA42E6
background
#F7F6FB
surface
#EEECF7
border
#C9C7D0
text
#090712
muted
#7B7A81