#253DAE#253DAE
#253DAE is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.181 H 267.9°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).
Color values
| HEX | #253DAE |
|---|---|
| RGB | rgb(37, 61, 174) |
| HSL | hsl(229, 65%, 41%) |
| HSV | hsv(229, 79%, 68%) |
| CMYK | cmyk(78.7%, 64.9%, 0%, 31.8%) |
| CIE-LAB | lab(31.31, 32.65, -62.63) |
| CIE-LCH | lch(31.31, 70.63, 297.53°) |
| OKLab | oklab(42.07% -0.0065 -0.1812) |
| OKLCH | oklch(42.07% 0.181 267.9) |
| XYZ | xyz(10.0690, 6.7856, 40.8153) |
| Luminance | 0.0679 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.47
Blue Blue
#2242C7
ΔE00 3.54
Cobalt
#0047AB
ΔE00 4.81
Ocean Blue
#4F42B5
ΔE00 5.47
Blueberry
#464196
ΔE00 5.64
Blue (survey)
#0343DF
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#253DAE #AE9625
analogous
#2582AE #253DAE #5225AE
triadic
#253DAE #AE253D #3DAE25
tetradic
#253DAE #AE2582 #AE9625 #25AE52
square
#253DAE #AE2582 #AE9625 #25AE52
split-complementary
#253DAE #AE5225 #82AE25
monochromatic
#101A49 #1A2B7C #253DAE #3B56D5 #6D81E0
Accessibility & contrast
On white
8.91
#253DAE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#253DAE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #253DAE
8.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##253DAE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##253DAE | 1.00 | 8.91 | 2.36 | 8.91 |
| #FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B2
Deuteranopia (green-blind)
#0043AC
Tritanopia (blue-blind)
#005B70
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #253dae; /* rgb */ color: rgb(37, 61, 174); /* oklch */ color: oklch(42.1% 0.181 267.9);
Tailwind
colors: {
custom: {
50: '#7772c7',
500: '#253dae',
950: '#000000',
},
}SCSS
$custom: #253dae; $custom-light: #7772c7; $custom-dark: #000000;
JSON
{
"hex": "#253dae",
"rgb": {
"r": 37,
"g": 61,
"b": 174
},
"hsl": {
"h": 229.489,
"s": 64.929,
"l": 41.373
},
"oklch": {
"l": 0.42067,
"c": 0.18136,
"h": 267.9
},
"luminance": 0.06787
}Semantic roles & 50–950 ramp
primary
#253DAE
secondary
#C6B668
accent
#CA40E8
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0813
muted
#7C7B82