#2453B1#2453B1
#2453B1 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.159 H 262.2°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).
Color values
| HEX | #2453B1 |
|---|---|
| RGB | rgb(36, 83, 177) |
| HSL | hsl(220, 66%, 42%) |
| HSV | hsv(220, 80%, 69%) |
| CMYK | cmyk(79.7%, 53.1%, 0%, 30.6%) |
| CIE-LAB | lab(37.36, 19.10, -54.56) |
| CIE-LCH | lch(37.36, 57.80, 289.29°) |
| OKLab | oklab(46.66% -0.0216 -0.1572) |
| OKLCH | oklch(46.66% 0.159 262.2) |
| XYZ | xyz(11.7538, 9.7345, 42.8459) |
| Luminance | 0.0974 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 1.34
Cobalt
#0047AB
ΔE00 3.92
Dusk Blue
#26538D
ΔE00 4.78
Denim Blue
#3B5B92
ΔE00 4.92
Denim
#1560BD
ΔE00 5.06
Cobalt (survey)
#1E488F
ΔE00 5.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2453B1 #B18224
analogous
#249AB1 #2453B1 #3C24B1
triadic
#2453B1 #B12453 #53B124
tetradic
#2453B1 #B1249A #B18224 #24B13C
square
#2453B1 #B1249A #B18224 #24B13C
split-complementary
#2453B1 #B13C24 #9AB124
monochromatic
#0F234B #1A3B7E #2453B1 #3B6FD7 #6E94E1
Accessibility & contrast
On white
7.13
#2453B1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.95
#2453B1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2453B1
7.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2453B1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2453B1 | 1.00 | 7.13 | 2.95 | 7.13 |
| #FFFFFF | 7.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0C5FB4
Deuteranopia (green-blind)
#0052AF
Tritanopia (blue-blind)
#006A7A
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #2453b1; /* rgb */ color: rgb(36, 83, 177); /* oklch */ color: oklch(46.7% 0.159 262.2);
Tailwind
colors: {
custom: {
50: '#7582c9',
500: '#2453b1',
950: '#000000',
},
}SCSS
$custom: #2453b1; $custom-light: #7582c9; $custom-dark: #000000;
JSON
{
"hex": "#2453b1",
"rgb": {
"r": 36,
"g": 83,
"b": 177
},
"hsl": {
"h": 220,
"s": 66.197,
"l": 41.765
},
"oklch": {
"l": 0.46659,
"c": 0.1587,
"h": 262.2
},
"luminance": 0.09736
}Semantic roles & 50–950 ramp
primary
#2453B1
secondary
#C8A869
accent
#B03FE9
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0A13
muted
#7C7C82