#253CA0#253CA0
#253CA0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.164 H 268.1°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).
Color values
| HEX | #253CA0 |
|---|---|
| RGB | rgb(37, 60, 160) |
| HSL | hsl(229, 62%, 39%) |
| HSV | hsv(229, 77%, 63%) |
| CMYK | cmyk(76.9%, 62.5%, 0%, 37.3%) |
| CIE-LAB | lab(29.82, 28.03, -56.66) |
| CIE-LCH | lch(29.82, 63.22, 296.32°) |
| OKLab | oklab(40.58% -0.0055 -0.1638) |
| OKLCH | oklch(40.58% 0.164 268.1) |
| XYZ | xyz(8.7218, 6.1621, 33.9806) |
| Luminance | 0.0616 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.13
Cobalt
#0047AB
ΔE00 4.79
Blueberry
#464196
ΔE00 5.00
Blue Blue
#2242C7
ΔE00 5.46
Cobalt (survey)
#1E488F
ΔE00 5.99
Darkslateblue
#483D8B
ΔE00 6.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#253CA0 #A08925
analogous
#2579A0 #253CA0 #4B25A0
triadic
#253CA0 #A0253C #3CA025
tetradic
#253CA0 #A02579 #A08925 #25A04B
square
#253CA0 #A02579 #A08925 #25A04B
split-complementary
#253CA0 #A04B25 #79A025
monochromatic
#0E173D #1A296E #253CA0 #3250D0 #647ADB
Accessibility & contrast
On white
9.41
#253CA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.23
#253CA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #253CA0
9.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##253CA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##253CA0 | 1.00 | 9.41 | 2.23 | 9.41 |
| #FFFFFF | 9.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CA3
Deuteranopia (green-blind)
#00419E
Tritanopia (blue-blind)
#005668
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #253ca0; /* rgb */ color: rgb(37, 60, 160); /* oklch */ color: oklch(40.6% 0.164 268.1);
Tailwind
colors: {
custom: {
50: '#7371bd',
500: '#253ca0',
950: '#000000',
},
}SCSS
$custom: #253ca0; $custom-light: #7371bd; $custom-dark: #000000;
JSON
{
"hex": "#253ca0",
"rgb": {
"r": 37,
"g": 60,
"b": 160
},
"hsl": {
"h": 228.78,
"s": 62.437,
"l": 38.627
},
"oklch": {
"l": 0.40581,
"c": 0.16387,
"h": 268.1
},
"luminance": 0.06163
}Semantic roles & 50–950 ramp
primary
#253CA0
secondary
#C1AF60
accent
#C742E6
background
#F7F6FB
surface
#EEECF7
border
#C9C7D0
text
#090712
muted
#7B7A81